13679263813 has 2 divisors, whose sum is σ = 13679263814. Its totient is φ = 13679263812.

The previous prime is 13679263799. The next prime is 13679263831. The reversal of 13679263813 is 31836297631.

Together with next prime (13679263831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7848719649 + 5830544164 = 88593^2 + 76358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13679263813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13679263513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6839631906 + 6839631907.

It is an arithmetic number, because the mean of its divisors is an integer number (6839631907).

Almost surely, 2^13679263813 is an apocalyptic number.

It is an amenable number.

13679263813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13679263813 is an equidigital number, since it uses as much as digits as its factorization.

13679263813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The spelling of 13679263813 in words is "thirteen billion, six hundred seventy-nine million, two hundred sixty-three thousand, eight hundred thirteen".