12364636671 has 24 divisors (see below), whose sum is σ = 17934184944. Its totient is φ = 8208921600.

The previous prime is 12364636651. The next prime is 12364636681. The reversal of 12364636671 is 17663646321.

12364636671 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 4 + 636 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 12364636671 - 2¹⁸ = 12364374527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12364636651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4566300 + ... + 4569006.

It is an arithmetic number, because the mean of its divisors is an integer number (747257706).

Almost surely, 2^12364636671 is an apocalyptic number.

12364636671 is a deficient number, since it is larger than the sum of its proper divisors (5569548273).

12364636671 is a wasteful number, since it uses less digits than its factorization.

12364636671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631 (or 4628 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 12364636671 in words is "twelve billion, three hundred sixty-four million, six hundred thirty-six thousand, six hundred seventy-one".