13044600869 has 2 divisors, whose sum is σ = 13044600870. Its totient is φ = 13044600868.

The previous prime is 13044600851. The next prime is 13044600913. The reversal of 13044600869 is 96800644031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11845710244 + 1198890625 = 108838^2 + 34625^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044600869 - 2²⁰ = 13043552293 is a prime.

It is a super-2 number, since 2×13044600869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044600469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522300434 + 6522300435.

It is an arithmetic number, because the mean of its divisors is an integer number (6522300435).

Almost surely, 2^13044600869 is an apocalyptic number.

It is an amenable number.

13044600869 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044600869 is an equidigital number, since it uses as much as digits as its factorization.

13044600869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 13044600869 in words is "thirteen billion, forty-four million, six hundred thousand, eight hundred sixty-nine".