36664573931 has 8 divisors (see below), whose sum is σ = 38826844560. Its totient is φ = 34502917888.

The previous prime is 36664573919. The next prime is 36664573987. The reversal of 36664573931 is 13937546663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36664573931 - 2¹⁰ = 36664572907 is a prime.

It is a super-2 number, since 2×36664573931² (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 (36664576931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27866 + ... + 272223.

It is an arithmetic number, because the mean of its divisors is an integer number (4853355570).

Almost surely, 2^36664573931 is an apocalyptic number.

36664573931 is a deficient number, since it is larger than the sum of its proper divisors (2162270629).

36664573931 is a wasteful number, since it uses less digits than its factorization.

36664573931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307293.

The product of its digits is 7348320, while the sum is 53.

The spelling of 36664573931 in words is "thirty-six billion, six hundred sixty-four million, five hundred seventy-three thousand, nine hundred thirty-one".