13090889209 has 8 divisors (see below), whose sum is σ = 13243978440. Its totient is φ = 12938400000.

The previous prime is 13090889171. The next prime is 13090889239. The reversal of 13090889209 is 90298809031.

It can be written as a sum of positive squares in 4 ways, for example, as 4508719609 + 8582169600 = 67147^2 + 92640^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13090889209 - 2⁹ = 13090888697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13090889239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106042 + ... + 193459.

It is an arithmetic number, because the mean of its divisors is an integer number (1655497305).

Almost surely, 2^13090889209 is an apocalyptic number.

It is an amenable number.

13090889209 is a deficient number, since it is larger than the sum of its proper divisors (153089231).

13090889209 is a wasteful number, since it uses less digits than its factorization.

13090889209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300011.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 13090889209 in words is "thirteen billion, ninety million, eight hundred eighty-nine thousand, two hundred nine".