64799612504 has 32 divisors (see below), whose sum is σ = 140341410000. Its totient is φ = 27721758720.

The previous prime is 64799612497. The next prime is 64799612531. The reversal of 64799612504 is 40521699746.

It is a congruent number.

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, 21656129 + ... + 21659120.

Almost surely, 2^64799612504 is an apocalyptic number.

It is an amenable number.

64799612504 is an abundant number, since it is smaller than the sum of its proper divisors (75541797496).

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

64799612504 is a wasteful number, since it uses less digits than its factorization.

64799612504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43315283 (or 43315279 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 64799612504 in words is "sixty-four billion, seven hundred ninety-nine million, six hundred twelve thousand, five hundred four".