13393965313 has 2 divisors, whose sum is σ = 13393965314. Its totient is φ = 13393965312.

The previous prime is 13393965293. The next prime is 13393965323. The reversal of 13393965313 is 31356939331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12069878769 + 1324086544 = 109863^2 + 36388^2 .

It is a cyclic number.

It is not a de Polignac number, because 13393965313 - 2¹⁷ = 13393834241 is a prime.

It is not a weakly prime, because it can be changed into another prime (13393965323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6696982656 + 6696982657.

It is an arithmetic number, because the mean of its divisors is an integer number (6696982657).

Almost surely, 2^13393965313 is an apocalyptic number.

It is an amenable number.

13393965313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13393965313 is an equidigital number, since it uses as much as digits as its factorization.

13393965313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 590490, while the sum is 46.

The spelling of 13393965313 in words is "thirteen billion, three hundred ninety-three million, nine hundred sixty-five thousand, three hundred thirteen".