465644641064 has 16 divisors (see below), whose sum is σ = 873280364820. Its totient is φ = 232769877120.

The previous prime is 465644641003. The next prime is 465644641073. The reversal of 465644641064 is 460146446564.

It can be written as a sum of positive squares in 2 ways, for example, as 451774868164 + 13869772900 = 672142^2 + 117770^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6517679 + ... + 6588734.

Almost surely, 2^465644641064 is an apocalyptic number.

It is an amenable number.

465644641064 is a deficient number, since it is larger than the sum of its proper divisors (407635723756).

465644641064 is a wasteful number, since it uses less digits than its factorization.

465644641064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110860 (or 13110856 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 465644641064 in words is "four hundred sixty-five billion, six hundred forty-four million, six hundred forty-one thousand, sixty-four".