64689004766370 has 64 divisors (see below), whose sum is σ = 155303813669760. Its totient is φ = 17244824053248.

The previous prime is 64689004766311. The next prime is 64689004766383. The reversal of 64689004766370 is 7366740098646.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2228105374 + ... + 2228134406.

It is an arithmetic number, because the mean of its divisors is an integer number (2426622088590).

Almost surely, 2^{64689004766370} is an apocalyptic number.

64689004766370 is an abundant number, since it is smaller than the sum of its proper divisors (90614808903390).

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

64689004766370 is a wasteful number, since it uses less digits than its factorization.

64689004766370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50499.

The product of its (nonzero) digits is 219469824, while the sum is 66.

The spelling of 64689004766370 in words is "sixty-four trillion, six hundred eighty-nine billion, four million, seven hundred sixty-six thousand, three hundred seventy".