6365312064 has 42 divisors (see below), whose sum is σ = 18245019390. Its totient is φ = 2121770496.

The previous prime is 6365312029. The next prime is 6365312087. The reversal of 6365312064 is 4602135636.

6365312064 is a `hidden beast` number, since 63 + 6 + 531 + 2 + 0 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6337433664 + 27878400 = 79608^2 + 5280^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5524869 + ... + 5526020.

Almost surely, 2^6365312064 is an apocalyptic number.

6365312064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6365312064 is an abundant number, since it is smaller than the sum of its proper divisors (11879707326).

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

6365312064 is a wasteful number, since it uses less digits than its factorization.

6365312064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050907 (or 11050894 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 6365312064 is about 79782.9058382809. The cubic root of 6365312064 is about 1853.2751396711.

The spelling of 6365312064 in words is "six billion, three hundred sixty-five million, three hundred twelve thousand, sixty-four".