13512417979 has 2 divisors, whose sum is σ = 13512417980. Its totient is φ = 13512417978.

The previous prime is 13512417949. The next prime is 13512418013. The reversal of 13512417979 is 97971421531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13512417979 - 2⁹ = 13512417467 is a prime.

It is not a weakly prime, because it can be changed into another prime (13512417949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756208989 + 6756208990.

It is an arithmetic number, because the mean of its divisors is an integer number (6756208990).

Almost surely, 2^13512417979 is an apocalyptic number.

13512417979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512417979 is an equidigital number, since it uses as much as digits as its factorization.

13512417979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 49.

The spelling of 13512417979 in words is "thirteen billion, five hundred twelve million, four hundred seventeen thousand, nine hundred seventy-nine".