38636317327 has 4 divisors (see below), whose sum is σ = 39882650176. Its totient is φ = 37389984480.

The previous prime is 38636317319. The next prime is 38636317337. The reversal of 38636317327 is 72371363683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72371363683 = 683 ⋅105961001.

It is a cyclic number.

It is not a de Polignac number, because 38636317327 - 2³ = 38636317319 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 (38636317337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623166378 + ... + 623166439.

It is an arithmetic number, because the mean of its divisors is an integer number (9970662544).

Almost surely, 2^38636317327 is an apocalyptic number.

38636317327 is a deficient number, since it is larger than the sum of its proper divisors (1246332849).

38636317327 is a wasteful number, since it uses less digits than its factorization.

38636317327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246332848.

The product of its digits is 2286144, while the sum is 49.

The spelling of 38636317327 in words is "thirty-eight billion, six hundred thirty-six million, three hundred seventeen thousand, three hundred twenty-seven".