13298957393 has 2 divisors, whose sum is σ = 13298957394. Its totient is φ = 13298957392.

The previous prime is 13298957327. The next prime is 13298957401. The reversal of 13298957393 is 39375989231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12622073104 + 676884289 = 112348^2 + 26017^2 .

It is a cyclic number.

It is not a de Polignac number, because 13298957393 - 2¹⁰ = 13298956369 is a prime.

It is not a weakly prime, because it can be changed into another prime (13298950393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6649478696 + 6649478697.

It is an arithmetic number, because the mean of its divisors is an integer number (6649478697).

Almost surely, 2^13298957393 is an apocalyptic number.

It is an amenable number.

13298957393 is a deficient number, since it is larger than the sum of its proper divisors (1).

13298957393 is an equidigital number, since it uses as much as digits as its factorization.

13298957393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11022480, while the sum is 59.

The spelling of 13298957393 in words is "thirteen billion, two hundred ninety-eight million, nine hundred fifty-seven thousand, three hundred ninety-three".