13867660813 has 2 divisors, whose sum is σ = 13867660814. Its totient is φ = 13867660812.

The previous prime is 13867660799. The next prime is 13867660817. The reversal of 13867660813 is 31806676831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7674285609 + 6193375204 = 87603^2 + 78698^2 .

It is a cyclic number.

It is not a de Polignac number, because 13867660813 - 2²⁵ = 13834106381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13867660817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6933830406 + 6933830407.

It is an arithmetic number, because the mean of its divisors is an integer number (6933830407).

Almost surely, 2^13867660813 is an apocalyptic number.

It is an amenable number.

13867660813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13867660813 is an equidigital number, since it uses as much as digits as its factorization.

13867660813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 13867660813 in words is "thirteen billion, eight hundred sixty-seven million, six hundred sixty thousand, eight hundred thirteen".