13376631817 has 2 divisors, whose sum is σ = 13376631818. Its totient is φ = 13376631816.

The previous prime is 13376631809. The next prime is 13376631839. The reversal of 13376631817 is 71813667331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10069921801 + 3306710016 = 100349^2 + 57504^2 .

It is a cyclic number.

It is not a de Polignac number, because 13376631817 - 2³ = 13376631809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13376631887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6688315908 + 6688315909.

It is an arithmetic number, because the mean of its divisors is an integer number (6688315909).

Almost surely, 2^13376631817 is an apocalyptic number.

It is an amenable number.

13376631817 is a deficient number, since it is larger than the sum of its proper divisors (1).

13376631817 is an equidigital number, since it uses as much as digits as its factorization.

13376631817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The spelling of 13376631817 in words is "thirteen billion, three hundred seventy-six million, six hundred thirty-one thousand, eight hundred seventeen".