13360398257 has 2 divisors, whose sum is σ = 13360398258. Its totient is φ = 13360398256.

The previous prime is 13360398229. The next prime is 13360398287. The reversal of 13360398257 is 75289306331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9992801296 + 3367596961 = 99964^2 + 58031^2 .

It is a cyclic number.

It is not a de Polignac number, because 13360398257 - 2¹⁴ = 13360381873 is a prime.

It is not a weakly prime, because it can be changed into another prime (13360398287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680199128 + 6680199129.

It is an arithmetic number, because the mean of its divisors is an integer number (6680199129).

Almost surely, 2^13360398257 is an apocalyptic number.

It is an amenable number.

13360398257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13360398257 is an equidigital number, since it uses as much as digits as its factorization.

13360398257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 13360398257 in words is "thirteen billion, three hundred sixty million, three hundred ninety-eight thousand, two hundred fifty-seven".