Properties of the number 491587949916:
491587949916 = 22 × 34 × 7 × 216749537 is composite and not squarefree.491587949916 has 4 distinct prime factors, 60 divisors, 25 antidivisors and 140453699328 totatives.
491587949916 has an oblong digit sum 72 in base 10.
491587949916 is the difference of 2 nonnegative squares in 10 ways.
491587949916 is the difference of 2 positive pentagonal numbers in 2 ways.
491587949916 is not the sum of 3 positive squares.
4915879499162 = 1390416111002 + 4715147324162 is the sum of 2 positive squares in 1 way.
4915879499162 is the sum of 3 positive squares.
491587949916 is a divisor of 156740640538 - 1.