13565086013 has 2 divisors, whose sum is σ = 13565086014. Its totient is φ = 13565086012.

The previous prime is 13565086009. The next prime is 13565086019. The reversal of 13565086013 is 31068056531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8032999129 + 5532086884 = 89627^2 + 74378^2 .

It is a cyclic number.

It is not a de Polignac number, because 13565086013 - 2² = 13565086009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13565086019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6782543006 + 6782543007.

It is an arithmetic number, because the mean of its divisors is an integer number (6782543007).

Almost surely, 2^13565086013 is an apocalyptic number.

It is an amenable number.

13565086013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13565086013 is an equidigital number, since it uses as much as digits as its factorization.

13565086013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 13565086013 in words is "thirteen billion, five hundred sixty-five million, eighty-six thousand, thirteen".