63500661364 has 48 divisors (see below), whose sum is σ = 129477317760. Its totient is φ = 26686310400.

The previous prime is 63500661317. The next prime is 63500661377. The reversal of 63500661364 is 46316600536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614524 + ... + 710380.

It is an arithmetic number, because the mean of its divisors is an integer number (2697444120).

Almost surely, 2^63500661364 is an apocalyptic number.

It is an amenable number.

63500661364 is an abundant number, since it is smaller than the sum of its proper divisors (65976656396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63500661364 is a wasteful number, since it uses less digits than its factorization.

63500661364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96328 (or 96326 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 63500661364 in words is "sixty-three billion, five hundred million, six hundred sixty-one thousand, three hundred sixty-four".