13247749079 has 2 divisors, whose sum is σ = 13247749080. Its totient is φ = 13247749078.

The previous prime is 13247749063. The next prime is 13247749111. The reversal of 13247749079 is 97094774231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13247749079 - 2⁴ = 13247749063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13247749079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13247749049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623874539 + 6623874540.

It is an arithmetic number, because the mean of its divisors is an integer number (6623874540).

Almost surely, 2^13247749079 is an apocalyptic number.

13247749079 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247749079 is an equidigital number, since it uses as much as digits as its factorization.

13247749079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 13247749079 in words is "thirteen billion, two hundred forty-seven million, seven hundred forty-nine thousand, seventy-nine".