36868689917 has 4 divisors (see below), whose sum is σ = 37653130176. Its totient is φ = 36084249660.

The previous prime is 36868689901. The next prime is 36868689919. The reversal of 36868689917 is 71998686863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36868689917 - 2⁴ = 36868689901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36868689919) 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, 392220059 + ... + 392220152.

It is an arithmetic number, because the mean of its divisors is an integer number (9413282544).

Almost surely, 2^36868689917 is an apocalyptic number.

It is an amenable number.

36868689917 is a deficient number, since it is larger than the sum of its proper divisors (784440259).

36868689917 is an equidigital number, since it uses as much as digits as its factorization.

36868689917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784440258.

The product of its digits is 188116992, while the sum is 71.

The spelling of 36868689917 in words is "thirty-six billion, eight hundred sixty-eight million, six hundred eighty-nine thousand, nine hundred seventeen".