64765406885410 has 32 divisors (see below), whose sum is σ = 145343666362752. Its totient is φ = 20186620327680.

The previous prime is 64765406885383. The next prime is 64765406885471. The reversal of 64765406885410 is 1458860456746.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42055458247 + ... + 42055459786.

It is an arithmetic number, because the mean of its divisors is an integer number (4541989573836).

Almost surely, 2^{64765406885410} is an apocalyptic number.

64765406885410 is an abundant number, since it is smaller than the sum of its proper divisors (80578259477342).

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

64765406885410 is a wasteful number, since it uses less digits than its factorization.

64765406885410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84110918058.

The product of its (nonzero) digits is 154828800, while the sum is 64.

The spelling of 64765406885410 in words is "sixty-four trillion, seven hundred sixty-five billion, four hundred six million, eight hundred eighty-five thousand, four hundred ten".