13169570309 has 6 divisors (see below), whose sum is σ = 15319704294. Its totient is φ = 11288203080.

The previous prime is 13169570303. The next prime is 13169570369. The reversal of 13169570309 is 90307596131.

It can be written as a sum of positive squares in only one way, i.e., 13092394084 + 77176225 = 114422^2 + 8785^2 .

It is not a de Polignac number, because 13169570309 - 2¹² = 13169566213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13169570309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13169570303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134383322 + ... + 134383419.

It is an arithmetic number, because the mean of its divisors is an integer number (2553284049).

Almost surely, 2^13169570309 is an apocalyptic number.

It is an amenable number.

13169570309 is a deficient number, since it is larger than the sum of its proper divisors (2150133985).

13169570309 is an equidigital number, since it uses as much as digits as its factorization.

13169570309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268766755 (or 268766748 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 44.

The spelling of 13169570309 in words is "thirteen billion, one hundred sixty-nine million, five hundred seventy thousand, three hundred nine".