13323875309 has 2 divisors, whose sum is σ = 13323875310. Its totient is φ = 13323875308.

The previous prime is 13323875291. The next prime is 13323875317. The reversal of 13323875309 is 90357832331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11280564100 + 2043311209 = 106210^2 + 45203^2 .

It is a cyclic number.

It is not a de Polignac number, because 13323875309 - 2³² = 9028908013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13323875309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13323875359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661937654 + 6661937655.

It is an arithmetic number, because the mean of its divisors is an integer number (6661937655).

Almost surely, 2^13323875309 is an apocalyptic number.

It is an amenable number.

13323875309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323875309 is an equidigital number, since it uses as much as digits as its factorization.

13323875309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 13323875309 in words is "thirteen billion, three hundred twenty-three million, eight hundred seventy-five thousand, three hundred nine".