13291092369 has 27 divisors (see below), whose sum is σ = 19474396617. Its totient is φ = 8735065416.

The previous prime is 13291092313. The next prime is 13291092377. The reversal of 13291092369 is 96329019231.

The square root of 13291092369 is 115287.

It is a perfect power (a square), and thus also a powerful number.

13291092369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13291092369 - 2²³ = 13282703761 is a prime.

It is a super-2 number, since 2×13291092369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13291092379) 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 in 26 ways as a sum of consecutive naturals, for example, 28706232 + ... + 28706694.

Almost surely, 2^13291092369 is an apocalyptic number.

13291092369 is the 115287-th square number.

13291092369 is the 57644-th centered octagonal number.

It is an amenable number.

13291092369 is a deficient number, since it is larger than the sum of its proper divisors (6183304248).

13291092369 is an frugal number, since it uses more digits than its factorization.

13291092369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 13291092369 in words is "thirteen billion, two hundred ninety-one million, ninety-two thousand, three hundred sixty-nine".