13691479259 has 2 divisors, whose sum is σ = 13691479260. Its totient is φ = 13691479258.

The previous prime is 13691479247. The next prime is 13691479267. The reversal of 13691479259 is 95297419631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13691479259 is a prime.

It is not a weakly prime, because it can be changed into another prime (13691472259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845739629 + 6845739630.

It is an arithmetic number, because the mean of its divisors is an integer number (6845739630).

Almost surely, 2^13691479259 is an apocalyptic number.

13691479259 is a deficient number, since it is larger than the sum of its proper divisors (1).

13691479259 is an equidigital number, since it uses as much as digits as its factorization.

13691479259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 56.

The spelling of 13691479259 in words is "thirteen billion, six hundred ninety-one million, four hundred seventy-nine thousand, two hundred fifty-nine".