63297915796 has 6 divisors (see below), whose sum is σ = 110771352650. Its totient is φ = 31648957896.

The previous prime is 63297915763. The next prime is 63297915803. The reversal of 63297915796 is 69751979236.

It can be written as a sum of positive squares in only one way, i.e., 63245208196 + 52707600 = 251486^2 + 7260^2 .

It is a super-2 number, since 2×63297915796² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7912239471 + ... + 7912239478.

Almost surely, 2^63297915796 is an apocalyptic number.

It is an amenable number.

63297915796 is a deficient number, since it is larger than the sum of its proper divisors (47473436854).

63297915796 is a wasteful number, since it uses less digits than its factorization.

63297915796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824478953 (or 15824478951 counting only the distinct ones).

The product of its digits is 38578680, while the sum is 64.

The spelling of 63297915796 in words is "sixty-three billion, two hundred ninety-seven million, nine hundred fifteen thousand, seven hundred ninety-six".