63929076964 has 9 divisors (see below), whose sum is σ = 111876769641. Its totient is φ = 31964285640.

The previous prime is 63929076949. The next prime is 63929076973. The reversal of 63929076964 is 46967092936.

The square root of 63929076964 is 252842.

It is a perfect power (a square), and thus also a powerful number.

63929076964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49844134564 + 14084942400 = 223258^2 + 118680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 442474 + ... + 568894.

Almost surely, 2^63929076964 is an apocalyptic number.

63929076964 is the 252842-nd square number.

It is an amenable number.

63929076964 is a deficient number, since it is larger than the sum of its proper divisors (47947692677).

63929076964 is an frugal number, since it uses more digits than its factorization.

63929076964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252846 (or 126423 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 63929076964 in words is "sixty-three billion, nine hundred twenty-nine million, seventy-six thousand, nine hundred sixty-four".