64785444458746 has 16 divisors (see below), whose sum is σ = 107062174644768. Its totient is φ = 29156365642000.

The previous prime is 64785444458731. The next prime is 64785444458831.

64785444458746 is nontrivially palindromic in base 10.

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, 14578180600 + ... + 14578185043.

It is an arithmetic number, because the mean of its divisors is an integer number (6691385915298).

Almost surely, 2^{64785444458746} is an apocalyptic number.

64785444458746 is a deficient number, since it is larger than the sum of its proper divisors (42276730186022).

64785444458746 is a wasteful number, since it uses less digits than its factorization.

64785444458746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29156365757.

The product of its digits is 11560550400, while the sum is 76.

The spelling of 64785444458746 in words is "sixty-four trillion, seven hundred eighty-five billion, four hundred forty-four million, four hundred fifty-eight thousand, seven hundred forty-six".