13181059369 has 2 divisors, whose sum is σ = 13181059370. Its totient is φ = 13181059368.

The previous prime is 13181059313. The next prime is 13181059391. The reversal of 13181059369 is 96395018131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9479553769 + 3701505600 = 97363^2 + 60840^2 .

It is a cyclic number.

It is not a de Polignac number, because 13181059369 - 2²³ = 13172670761 is a prime.

It is a super-2 number, since 2×13181059369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13181659369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590529684 + 6590529685.

It is an arithmetic number, because the mean of its divisors is an integer number (6590529685).

Almost surely, 2^13181059369 is an apocalyptic number.

It is an amenable number.

13181059369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13181059369 is an equidigital number, since it uses as much as digits as its factorization.

13181059369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 13181059369 in words is "thirteen billion, one hundred eighty-one million, fifty-nine thousand, three hundred sixty-nine".