64312604364 has 24 divisors (see below), whose sum is σ = 150132828160. Its totient is φ = 21427522704.

The previous prime is 64312604357. The next prime is 64312604381. The reversal of 64312604364 is 46340621346.

It is a super-2 number, since 2×64312604364² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224724 + ... + 1276155.

Almost surely, 2^64312604364 is an apocalyptic number.

It is an amenable number.

64312604364 is an abundant number, since it is smaller than the sum of its proper divisors (85820223796).

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

64312604364 is a wasteful number, since it uses less digits than its factorization.

64312604364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503029 (or 2503027 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 64312604364 in words is "sixty-four billion, three hundred twelve million, six hundred four thousand, three hundred sixty-four".