36551972936 has 8 divisors (see below), whose sum is σ = 68534949270. Its totient is φ = 18275986464.

The previous prime is 36551972929. The next prime is 36551972939. The reversal of 36551972936 is 63927915563.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35107516900 + 1444456036 = 187370^2 + 38006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (36551972939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284498301 + ... + 2284498316.

Almost surely, 2^36551972936 is an apocalyptic number.

It is an amenable number.

36551972936 is a deficient number, since it is larger than the sum of its proper divisors (31982976334).

36551972936 is a wasteful number, since it uses less digits than its factorization.

36551972936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568996623 (or 4568996619 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 56.

The spelling of 36551972936 in words is "thirty-six billion, five hundred fifty-one million, nine hundred seventy-two thousand, nine hundred thirty-six".