36894979913 has 8 divisors (see below), whose sum is σ = 40252136736. Its totient is φ = 33538334400.

The previous prime is 36894979909. The next prime is 36894979921. The reversal of 36894979913 is 31997949863.

36894979913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36894979913 - 2² = 36894979909 is a prime.

It is a super-2 number, since 2×36894979913² (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 (36894979943) 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, 31718 + ... + 273488.

It is an arithmetic number, because the mean of its divisors is an integer number (5031517092).

Almost surely, 2^36894979913 is an apocalyptic number.

It is an amenable number.

36894979913 is a deficient number, since it is larger than the sum of its proper divisors (3357156823).

36894979913 is a wasteful number, since it uses less digits than its factorization.

36894979913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255655.

The product of its digits is 79361856, while the sum is 68.

The spelling of 36894979913 in words is "thirty-six billion, eight hundred ninety-four million, nine hundred seventy-nine thousand, nine hundred thirteen".