12679161744839 has 4 divisors (see below), whose sum is σ = 12702598273560. Its totient is φ = 12655725216120.

The previous prime is 12679161744833. The next prime is 12679161744881. The reversal of 12679161744839 is 93844716197621.

12679161744839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12679161744839 is a prime.

It is a super-2 number, since 2×12679161744839² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679161744833) 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, 11718263549 + ... + 11718264630.

It is an arithmetic number, because the mean of its divisors is an integer number (3175649568390).

Almost surely, 2^{12679161744839} is an apocalyptic number.

12679161744839 is a deficient number, since it is larger than the sum of its proper divisors (23436528721).

12679161744839 is an equidigital number, since it uses as much as digits as its factorization.

12679161744839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23436528720.

The product of its digits is 109734912, while the sum is 68.

The spelling of 12679161744839 in words is "twelve trillion, six hundred seventy-nine billion, one hundred sixty-one million, seven hundred forty-four thousand, eight hundred thirty-nine".