13004045309 has 2 divisors, whose sum is σ = 13004045310. Its totient is φ = 13004045308.

The previous prime is 13004045293. The next prime is 13004045339. The reversal of 13004045309 is 90354040031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12819221284 + 184824025 = 113222^2 + 13595^2 .

It is a cyclic number.

It is not a de Polignac number, because 13004045309 - 2⁴ = 13004045293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13004045339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502022654 + 6502022655.

It is an arithmetic number, because the mean of its divisors is an integer number (6502022655).

Almost surely, 2^13004045309 is an apocalyptic number.

It is an amenable number.

13004045309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004045309 is an equidigital number, since it uses as much as digits as its factorization.

13004045309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 13004045309 in words is "thirteen billion, four million, forty-five thousand, three hundred nine".