36685738760831 has 4 divisors (see below), whose sum is σ = 36724724669064. Its totient is φ = 36646752852600.

The previous prime is 36685738760717. The next prime is 36685738760873. The reversal of 36685738760831 is 13806783758663.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36685738760831 is a prime.

It is a super-2 number, since 2×36685738760831² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36685738762831) 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, 19492952705 + ... + 19492954586.

It is an arithmetic number, because the mean of its divisors is an integer number (9181181167266).

Almost surely, 2^{36685738760831} is an apocalyptic number.

36685738760831 is a deficient number, since it is larger than the sum of its proper divisors (38985908233).

36685738760831 is an equidigital number, since it uses as much as digits as its factorization.

36685738760831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38985908232.

The product of its (nonzero) digits is 731566080, while the sum is 71.

The spelling of 36685738760831 in words is "thirty-six trillion, six hundred eighty-five billion, seven hundred thirty-eight million, seven hundred sixty thousand, eight hundred thirty-one".