13190795309 has 2 divisors, whose sum is σ = 13190795310. Its totient is φ = 13190795308.

The previous prime is 13190795291. The next prime is 13190795323. The reversal of 13190795309 is 90359709131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11450070025 + 1740725284 = 107005^2 + 41722^2 .

It is a cyclic number.

It is not a de Polignac number, because 13190795309 - 2¹² = 13190791213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13190795509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595397654 + 6595397655.

It is an arithmetic number, because the mean of its divisors is an integer number (6595397655).

Almost surely, 2^13190795309 is an apocalyptic number.

It is an amenable number.

13190795309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13190795309 is an equidigital number, since it uses as much as digits as its factorization.

13190795309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229635, while the sum is 47.

The spelling of 13190795309 in words is "thirteen billion, one hundred ninety million, seven hundred ninety-five thousand, three hundred nine".