36812365864 has 16 divisors (see below), whose sum is σ = 69063599700. Its totient is φ = 18395405952.

The previous prime is 36812365853. The next prime is 36812365867. The reversal of 36812365864 is 46856321863.

It can be written as a sum of positive squares in 2 ways, for example, as 33558576100 + 3253789764 = 183190^2 + 57042^2 .

It is not an unprimeable number, because it can be changed into a prime (36812365867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332597 + ... + 1359940.

Almost surely, 2^36812365864 is an apocalyptic number.

It is an amenable number.

36812365864 is a deficient number, since it is larger than the sum of its proper divisors (32251233836).

36812365864 is a wasteful number, since it uses less digits than its factorization.

36812365864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694252 (or 2694248 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The spelling of 36812365864 in words is "thirty-six billion, eight hundred twelve million, three hundred sixty-five thousand, eight hundred sixty-four".