13233287209 has 2 divisors, whose sum is σ = 13233287210. Its totient is φ = 13233287208.

The previous prime is 13233287201. The next prime is 13233287213. The reversal of 13233287209 is 90278233231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13223850025 + 9437184 = 114995^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 13233287209 - 2³ = 13233287201 is a prime.

It is not a weakly prime, because it can be changed into another prime (13233287201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616643604 + 6616643605.

It is an arithmetic number, because the mean of its divisors is an integer number (6616643605).

Almost surely, 2^13233287209 is an apocalyptic number.

It is an amenable number.

13233287209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13233287209 is an equidigital number, since it uses as much as digits as its factorization.

13233287209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 13233287209 in words is "thirteen billion, two hundred thirty-three million, two hundred eighty-seven thousand, two hundred nine".