12365409179 has 4 divisors (see below), whose sum is σ = 12386053200. Its totient is φ = 12344765160.

The previous prime is 12365409167. The next prime is 12365409181. The reversal of 12365409179 is 97190456321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97190456321 = 7 ⋅13884350903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12365409179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12365409379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10321112 + ... + 10322309.

It is an arithmetic number, because the mean of its divisors is an integer number (3096513300).

Almost surely, 2^12365409179 is an apocalyptic number.

12365409179 is a deficient number, since it is larger than the sum of its proper divisors (20644021).

12365409179 is an equidigital number, since it uses as much as digits as its factorization.

12365409179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20644020.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 12365409179 in words is "twelve billion, three hundred sixty-five million, four hundred nine thousand, one hundred seventy-nine".