13431674569 has 4 divisors (see below), whose sum is σ = 13455789444. Its totient is φ = 13407559696.

The previous prime is 13431674567. The next prime is 13431674609. The reversal of 13431674569 is 96547613431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3864487225 + 9567187344 = 62165^2 + 97812^2 .

It is a cyclic number.

It is not a de Polignac number, because 13431674569 - 2¹ = 13431674567 is a prime.

It is a super-2 number, since 2×13431674569² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431674561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12056602 + ... + 12057715.

It is an arithmetic number, because the mean of its divisors is an integer number (3363947361).

Almost surely, 2^13431674569 is an apocalyptic number.

It is an amenable number.

13431674569 is a deficient number, since it is larger than the sum of its proper divisors (24114875).

13431674569 is an equidigital number, since it uses as much as digits as its factorization.

13431674569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24114874.

The product of its digits is 1632960, while the sum is 49.

The spelling of 13431674569 in words is "thirteen billion, four hundred thirty-one million, six hundred seventy-four thousand, five hundred sixty-nine".