36956408644 has 6 divisors (see below), whose sum is σ = 64673715134. Its totient is φ = 18478204320.

The previous prime is 36956408623. The next prime is 36956408669. The reversal of 36956408644 is 44680465963.

It can be written as a sum of positive squares in only one way, i.e., 36297870400 + 658538244 = 190520^2 + 25662^2 .

It is a super-2 number, since 2×36956408644² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4619551077 + ... + 4619551084.

Almost surely, 2^36956408644 is an apocalyptic number.

It is an amenable number.

36956408644 is a deficient number, since it is larger than the sum of its proper divisors (27717306490).

36956408644 is a wasteful number, since it uses less digits than its factorization.

36956408644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239102165 (or 9239102163 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 36956408644 in words is "thirty-six billion, nine hundred fifty-six million, four hundred eight thousand, six hundred forty-four".