13221344179 has 2 divisors, whose sum is σ = 13221344180. Its totient is φ = 13221344178.

The previous prime is 13221344177. The next prime is 13221344231. The reversal of 13221344179 is 97144312231.

13221344179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (97144312231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13221344179 - 2¹ = 13221344177 is a prime.

Together with 13221344177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13221344177) 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, 6610672089 + 6610672090.

It is an arithmetic number, because the mean of its divisors is an integer number (6610672090).

Almost surely, 2^13221344179 is an apocalyptic number.

13221344179 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221344179 is an equidigital number, since it uses as much as digits as its factorization.

13221344179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The spelling of 13221344179 in words is "thirteen billion, two hundred twenty-one million, three hundred forty-four thousand, one hundred seventy-nine".