12641991179 has 2 divisors, whose sum is σ = 12641991180. Its totient is φ = 12641991178.

The previous prime is 12641991149. The next prime is 12641991181. The reversal of 12641991179 is 97119914621.

12641991179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (97119914621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12641991179 is a prime.

Together with 12641991181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12641991149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320995589 + 6320995590.

It is an arithmetic number, because the mean of its divisors is an integer number (6320995590).

Almost surely, 2^12641991179 is an apocalyptic number.

12641991179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641991179 is an equidigital number, since it uses as much as digits as its factorization.

12641991179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 50.

The spelling of 12641991179 in words is "twelve billion, six hundred forty-one million, nine hundred ninety-one thousand, one hundred seventy-nine".