64937929458 has 64 divisors (see below), whose sum is σ = 140529844224. Its totient is φ = 19961424000.

The previous prime is 64937929457. The next prime is 64937929493. The reversal of 64937929458 is 85492973946.

It is not an unprimeable number, because it can be changed into a prime (64937929457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228903 + ... + 426933.

It is an arithmetic number, because the mean of its divisors is an integer number (2195778816).

Almost surely, 2^64937929458 is an apocalyptic number.

64937929458 is an abundant number, since it is smaller than the sum of its proper divisors (75591914766).

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

64937929458 is a wasteful number, since it uses less digits than its factorization.

64937929458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198151.

The product of its digits is 117573120, while the sum is 66.

The spelling of 64937929458 in words is "sixty-four billion, nine hundred thirty-seven million, nine hundred twenty-nine thousand, four hundred fifty-eight".