36644918345 has 8 divisors (see below), whose sum is σ = 50255888064. Its totient is φ = 25127943984.

The previous prime is 36644918333. The next prime is 36644918399. The reversal of 36644918345 is 54381944663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36644918345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523498799 + ... + 523498868.

It is an arithmetic number, because the mean of its divisors is an integer number (6281986008).

Almost surely, 2^36644918345 is an apocalyptic number.

36644918345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36644918345 is a deficient number, since it is larger than the sum of its proper divisors (13610969719).

36644918345 is a wasteful number, since it uses less digits than its factorization.

36644918345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046997679.

The product of its digits is 7464960, while the sum is 53.

The spelling of 36644918345 in words is "thirty-six billion, six hundred forty-four million, nine hundred eighteen thousand, three hundred forty-five".