13313217851 has 2 divisors, whose sum is σ = 13313217852. Its totient is φ = 13313217850.

The previous prime is 13313217793. The next prime is 13313217859. The reversal of 13313217851 is 15871231331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13313217851 - 2²⁶ = 13246108987 is a prime.

It is not a weakly prime, because it can be changed into another prime (13313217859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656608925 + 6656608926.

It is an arithmetic number, because the mean of its divisors is an integer number (6656608926).

Almost surely, 2^13313217851 is an apocalyptic number.

13313217851 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313217851 is an equidigital number, since it uses as much as digits as its factorization.

13313217851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The spelling of 13313217851 in words is "thirteen billion, three hundred thirteen million, two hundred seventeen thousand, eight hundred fifty-one".