13003332809 has 2 divisors, whose sum is σ = 13003332810. Its totient is φ = 13003332808.

The previous prime is 13003332767. The next prime is 13003332817. The reversal of 13003332809 is 90823330031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12779172025 + 224160784 = 113045^2 + 14972^2 .

It is a cyclic number.

It is not a de Polignac number, because 13003332809 - 2¹⁶ = 13003267273 is a prime.

It is not a weakly prime, because it can be changed into another prime (13003332829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501666404 + 6501666405.

It is an arithmetic number, because the mean of its divisors is an integer number (6501666405).

Almost surely, 2^13003332809 is an apocalyptic number.

It is an amenable number.

13003332809 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003332809 is an equidigital number, since it uses as much as digits as its factorization.

13003332809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 13003332809 in words is "thirteen billion, three million, three hundred thirty-two thousand, eight hundred nine".