63464140511065 has 64 divisors (see below), whose sum is σ = 97124835939840. Its totient is φ = 38755397652480.

The previous prime is 63464140511053. The next prime is 63464140511119. The reversal of 63464140511065 is 56011504146436.

It is not a de Polignac number, because 63464140511065 - 2²⁵ = 63464106956633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5862519 + ... + 12700291.

It is an arithmetic number, because the mean of its divisors is an integer number (1517575561560).

Almost surely, 2^{63464140511065} is an apocalyptic number.

It is an amenable number.

63464140511065 is a deficient number, since it is larger than the sum of its proper divisors (33660695428775).

63464140511065 is a wasteful number, since it uses less digits than its factorization.

63464140511065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838642.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 63464140511065 in words is "sixty-three trillion, four hundred sixty-four billion, one hundred forty million, five hundred eleven thousand, sixty-five".