13318459769 has 2 divisors, whose sum is σ = 13318459770. Its totient is φ = 13318459768.

The previous prime is 13318459717. The next prime is 13318459799. The reversal of 13318459769 is 96795481331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13266432400 + 52027369 = 115180^2 + 7213^2 .

It is a cyclic number.

It is not a de Polignac number, because 13318459769 - 2¹⁶ = 13318394233 is a prime.

It is a super-2 number, since 2×13318459769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13318459799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659229884 + 6659229885.

It is an arithmetic number, because the mean of its divisors is an integer number (6659229885).

Almost surely, 2^13318459769 is an apocalyptic number.

It is an amenable number.

13318459769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13318459769 is an equidigital number, since it uses as much as digits as its factorization.

13318459769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The spelling of 13318459769 in words is "thirteen billion, three hundred eighteen million, four hundred fifty-nine thousand, seven hundred sixty-nine".