12403363657 has 2 divisors, whose sum is σ = 12403363658. Its totient is φ = 12403363656.

The previous prime is 12403363627. The next prime is 12403363703. The reversal of 12403363657 is 75636330421.

12403363657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12396372921 + 6990736 = 111339^2 + 2644^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403363657 - 2⁷ = 12403363529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12403363627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201681828 + 6201681829.

It is an arithmetic number, because the mean of its divisors is an integer number (6201681829).

Almost surely, 2^12403363657 is an apocalyptic number.

It is an amenable number.

12403363657 is a deficient number, since it is larger than the sum of its proper divisors (1).

12403363657 is an equidigital number, since it uses as much as digits as its factorization.

12403363657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 12403363657 in words is "twelve billion, four hundred three million, three hundred sixty-three thousand, six hundred fifty-seven".