13237309009 has 4 divisors (see below), whose sum is σ = 13263316020. Its totient is φ = 13211302000.

The previous prime is 13237308983. The next prime is 13237309061. The reversal of 13237309009 is 90090373231.

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 7983958609 + 5253350400 = 89353^2 + 72480^2 .

It is a cyclic number.

It is not a de Polignac number, because 13237309009 - 2⁷ = 13237308881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13237309069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13002742 + ... + 13003759.

It is an arithmetic number, because the mean of its divisors is an integer number (3315829005).

Almost surely, 2^13237309009 is an apocalyptic number.

It is an amenable number.

13237309009 is a deficient number, since it is larger than the sum of its proper divisors (26007011).

13237309009 is an equidigital number, since it uses as much as digits as its factorization.

13237309009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007010.

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 13237309009 in words is "thirteen billion, two hundred thirty-seven million, three hundred nine thousand, nine".