13579324369 has 4 divisors (see below), whose sum is σ = 14623887796. Its totient is φ = 12534760944.

The previous prime is 13579324357. The next prime is 13579324387. The reversal of 13579324369 is 96342397531.

It is a happy number.

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 6725968144 + 6853356225 = 82012^2 + 82785^2 .

It is a cyclic number.

It is not a de Polignac number, because 13579324369 - 2⁵ = 13579324337 is a prime.

It is a super-2 number, since 2×13579324369² (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 (13579324309) 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, 522281694 + ... + 522281719.

It is an arithmetic number, because the mean of its divisors is an integer number (3655971949).

Almost surely, 2^13579324369 is an apocalyptic number.

It is an amenable number.

13579324369 is a deficient number, since it is larger than the sum of its proper divisors (1044563427).

13579324369 is a wasteful number, since it uses less digits than its factorization.

13579324369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044563426.

The product of its digits is 3674160, while the sum is 52.

The spelling of 13579324369 in words is "thirteen billion, five hundred seventy-nine million, three hundred twenty-four thousand, three hundred sixty-nine".