13251319377 has 4 divisors (see below), whose sum is σ = 17668425840. Its totient is φ = 8834212916.

The previous prime is 13251319373. The next prime is 13251319399. The reversal of 13251319377 is 77391315231.

13251319377 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 13251319377 - 2² = 13251319373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13251319373) 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, 2208553227 + ... + 2208553232.

It is an arithmetic number, because the mean of its divisors is an integer number (4417106460).

Almost surely, 2^13251319377 is an apocalyptic number.

It is an amenable number.

13251319377 is a deficient number, since it is larger than the sum of its proper divisors (4417106463).

13251319377 is an equidigital number, since it uses as much as digits as its factorization.

13251319377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417106462.

The product of its digits is 119070, while the sum is 42.

The spelling of 13251319377 in words is "thirteen billion, two hundred fifty-one million, three hundred nineteen thousand, three hundred seventy-seven".