36793899643 has 4 divisors (see below), whose sum is σ = 36858564360. Its totient is φ = 36729234928.

The previous prime is 36793899619. The next prime is 36793899683. The reversal of 36793899643 is 34699839763.

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

It is a cyclic number.

It is not a de Polignac number, because 36793899643 - 2²¹ = 36791802491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36793899683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32331505 + ... + 32332642.

It is an arithmetic number, because the mean of its divisors is an integer number (9214641090).

Almost surely, 2^36793899643 is an apocalyptic number.

36793899643 is a deficient number, since it is larger than the sum of its proper divisors (64664717).

36793899643 is an equidigital number, since it uses as much as digits as its factorization.

36793899643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64664716.

The product of its digits is 158723712, while the sum is 67.

The spelling of 36793899643 in words is "thirty-six billion, seven hundred ninety-three million, eight hundred ninety-nine thousand, six hundred forty-three".