10138765657 has 2 divisors, whose sum is σ = 10138765658. Its totient is φ = 10138765656.

The previous prime is 10138765613. The next prime is 10138765801. The reversal of 10138765657 is 75656783101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10044850176 + 93915481 = 100224^2 + 9691^2 .

It is a cyclic number.

It is not a de Polignac number, because 10138765657 - 2⁷ = 10138765529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10138765657.

It is not a weakly prime, because it can be changed into another prime (10138765957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069382828 + 5069382829.

It is an arithmetic number, because the mean of its divisors is an integer number (5069382829).

Almost surely, 2^10138765657 is an apocalyptic number.

It is an amenable number.

10138765657 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138765657 is an equidigital number, since it uses as much as digits as its factorization.

10138765657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 10138765657 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, six hundred fifty-seven".