13265065369 has 2 divisors, whose sum is σ = 13265065370. Its totient is φ = 13265065368.

The previous prime is 13265065349. The next prime is 13265065427. The reversal of 13265065369 is 96356056231.

It is a happy number.

13265065369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8108102025 + 5156963344 = 90045^2 + 71812^2 .

It is a cyclic number.

It is not a de Polignac number, because 13265065369 - 2³¹ = 11117581721 is a prime.

It is a super-4 number, since 4×13265065369⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (13265065349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6632532684 + 6632532685.

It is an arithmetic number, because the mean of its divisors is an integer number (6632532685).

Almost surely, 2^13265065369 is an apocalyptic number.

It is an amenable number.

13265065369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13265065369 is an equidigital number, since it uses as much as digits as its factorization.

13265065369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 13265065369 in words is "thirteen billion, two hundred sixty-five million, sixty-five thousand, three hundred sixty-nine".