13241705657 has 2 divisors, whose sum is σ = 13241705658. Its totient is φ = 13241705656.

The previous prime is 13241705639. The next prime is 13241705681. The reversal of 13241705657 is 75650714231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13165038121 + 76667536 = 114739^2 + 8756^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241705657 - 2¹⁶ = 13241640121 is a prime.

It is not a weakly prime, because it can be changed into another prime (13241708657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620852828 + 6620852829.

It is an arithmetic number, because the mean of its divisors is an integer number (6620852829).

Almost surely, 2^13241705657 is an apocalyptic number.

It is an amenable number.

13241705657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13241705657 is an equidigital number, since it uses as much as digits as its factorization.

13241705657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 13241705657 in words is "thirteen billion, two hundred forty-one million, seven hundred five thousand, six hundred fifty-seven".