13005975569 has 4 divisors (see below), whose sum is σ = 13425523200. Its totient is φ = 12586427940.

The previous prime is 13005975559. The next prime is 13005975571. The reversal of 13005975569 is 96557950031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13005975569 - 2²⁴ = 12989198353 is a prime.

It is a super-2 number, since 2×13005975569² (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 (13005975559) 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, 209773769 + ... + 209773830.

It is an arithmetic number, because the mean of its divisors is an integer number (3356380800).

Almost surely, 2^13005975569 is an apocalyptic number.

It is an amenable number.

13005975569 is a deficient number, since it is larger than the sum of its proper divisors (419547631).

13005975569 is an equidigital number, since it uses as much as digits as its factorization.

13005975569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419547630.

The product of its (nonzero) digits is 1275750, while the sum is 50.

The spelling of 13005975569 in words is "thirteen billion, five million, nine hundred seventy-five thousand, five hundred sixty-nine".