13265622309 has 4 divisors (see below), whose sum is σ = 17687496416. Its totient is φ = 8843748204.

The previous prime is 13265622299. The next prime is 13265622323. The reversal of 13265622309 is 90322656231.

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 not a de Polignac number, because 13265622309 - 2⁹ = 13265621797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265622329) 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, 2210937049 + ... + 2210937054.

It is an arithmetic number, because the mean of its divisors is an integer number (4421874104).

Almost surely, 2^13265622309 is an apocalyptic number.

It is an amenable number.

13265622309 is a deficient number, since it is larger than the sum of its proper divisors (4421874107).

13265622309 is an equidigital number, since it uses as much as digits as its factorization.

13265622309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421874106.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 13265622309 in words is "thirteen billion, two hundred sixty-five million, six hundred twenty-two thousand, three hundred nine".