10138765957 has 2 divisors, whose sum is σ = 10138765958. Its totient is φ = 10138765956.

The previous prime is 10138765913. The next prime is 10138765993. The reversal of 10138765957 is 75956783101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9438316801 + 700449156 = 97151^2 + 26466^2 .

It is a cyclic number.

It is not a de Polignac number, because 10138765957 - 2³¹ = 7991282309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10138765657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069382978 + 5069382979.

It is an arithmetic number, because the mean of its divisors is an integer number (5069382979).

Almost surely, 2^10138765957 is an apocalyptic number.

It is an amenable number.

10138765957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138765957 is an equidigital number, since it uses as much as digits as its factorization.

10138765957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 10138765957 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, nine hundred fifty-seven".