13129177297 has 4 divisors (see below), whose sum is σ = 13287360240. Its totient is φ = 12970994356.

The previous prime is 13129177253. The next prime is 13129177309. The reversal of 13129177297 is 79277192131.

It is a happy number.

13129177297 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13129177297 - 2⁷ = 13129177169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13129177297.

It is not an unprimeable number, because it can be changed into a prime (13129177207) 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 in 3 ways as a sum of consecutive naturals, for example, 79091347 + ... + 79091512.

It is an arithmetic number, because the mean of its divisors is an integer number (3321840060).

Almost surely, 2^13129177297 is an apocalyptic number.

It is an amenable number.

13129177297 is a deficient number, since it is larger than the sum of its proper divisors (158182943).

13129177297 is an equidigital number, since it uses as much as digits as its factorization.

13129177297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158182942.

The product of its digits is 333396, while the sum is 49.

The spelling of 13129177297 in words is "thirteen billion, one hundred twenty-nine million, one hundred seventy-seven thousand, two hundred ninety-seven".