36311918839 has 4 divisors (see below), whose sum is σ = 41499335824. Its totient is φ = 31124501856.

The previous prime is 36311918833. The next prime is 36311918861. The reversal of 36311918839 is 93881911363.

It is a happy number.

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

It is not a de Polignac number, because 36311918839 - 2¹¹ = 36311916791 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 (36311918833) 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, 2593708482 + ... + 2593708495.

It is an arithmetic number, because the mean of its divisors is an integer number (10374833956).

Almost surely, 2^36311918839 is an apocalyptic number.

36311918839 is a deficient number, since it is larger than the sum of its proper divisors (5187416985).

36311918839 is an equidigital number, since it uses as much as digits as its factorization.

36311918839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187416984.

The product of its digits is 839808, while the sum is 52.

The spelling of 36311918839 in words is "thirty-six billion, three hundred eleven million, nine hundred eighteen thousand, eight hundred thirty-nine".