13038815677 has 2 divisors, whose sum is σ = 13038815678. Its totient is φ = 13038815676.

The previous prime is 13038815633. The next prime is 13038815689. The reversal of 13038815677 is 77651883031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11404958436 + 1633857241 = 106794^2 + 40421^2 .

It is a cyclic number.

It is not a de Polignac number, because 13038815677 - 2¹⁵ = 13038782909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13038815677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13038810677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6519407838 + 6519407839.

It is an arithmetic number, because the mean of its divisors is an integer number (6519407839).

Almost surely, 2^13038815677 is an apocalyptic number.

It is an amenable number.

13038815677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13038815677 is an equidigital number, since it uses as much as digits as its factorization.

13038815677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 13038815677 in words is "thirteen billion, thirty-eight million, eight hundred fifteen thousand, six hundred seventy-seven".