36644623327 has 8 divisors (see below), whose sum is σ = 39464972064. Its totient is φ = 33824493408.

The previous prime is 36644623321. The next prime is 36644623357. The reversal of 36644623327 is 72332644663.

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-36644623327 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 (36644623321) 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, 506133 + ... + 573985.

It is an arithmetic number, because the mean of its divisors is an integer number (4933121508).

Almost surely, 2^36644623327 is an apocalyptic number.

36644623327 is a deficient number, since it is larger than the sum of its proper divisors (2820348737).

36644623327 is a wasteful number, since it uses less digits than its factorization.

36644623327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109409.

The product of its digits is 2612736, while the sum is 46.

The spelling of 36644623327 in words is "thirty-six billion, six hundred forty-four million, six hundred twenty-three thousand, three hundred twenty-seven".