36564464521 has 32 divisors (see below), whose sum is σ = 41960540160. Its totient is φ = 31602514944.

The previous prime is 36564464509. The next prime is 36564464561. The reversal of 36564464521 is 12546446563.

It is not a de Polignac number, because 36564464521 - 2⁷ = 36564464393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36564464561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7588305 + ... + 7593121.

It is an arithmetic number, because the mean of its divisors is an integer number (1311266880).

Almost surely, 2^36564464521 is an apocalyptic number.

It is an amenable number.

36564464521 is a deficient number, since it is larger than the sum of its proper divisors (5396075639).

36564464521 is a wasteful number, since it uses less digits than its factorization.

36564464521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385.

The product of its digits is 2073600, while the sum is 46.

The spelling of 36564464521 in words is "thirty-six billion, five hundred sixty-four million, four hundred sixty-four thousand, five hundred twenty-one".