36972989699 has 4 divisors (see below), whose sum is σ = 39147871464. Its totient is φ = 34798107936.

The previous prime is 36972989671. The next prime is 36972989701. The reversal of 36972989699 is 99698927963.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36972989699 - 2²⁴ = 36956212483 is a prime.

It is a super-2 number, since 2×36972989699² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36972089699) 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, 1087440857 + ... + 1087440890.

It is an arithmetic number, because the mean of its divisors is an integer number (9786967866).

Almost surely, 2^36972989699 is an apocalyptic number.

36972989699 is a deficient number, since it is larger than the sum of its proper divisors (2174881765).

36972989699 is a wasteful number, since it uses less digits than its factorization.

36972989699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174881764.

The product of its digits is 714256704, while the sum is 77.

The spelling of 36972989699 in words is "thirty-six billion, nine hundred seventy-two million, nine hundred eighty-nine thousand, six hundred ninety-nine".