10138765613 has 2 divisors, whose sum is σ = 10138765614. Its totient is φ = 10138765612.

The previous prime is 10138765591. The next prime is 10138765657. The reversal of 10138765613 is 31656783101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6695657929 + 3443107684 = 81827^2 + 58678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10138765613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10138765913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069382806 + 5069382807.

It is an arithmetic number, because the mean of its divisors is an integer number (5069382807).

Almost surely, 2^10138765613 is an apocalyptic number.

It is an amenable number.

10138765613 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138765613 is an equidigital number, since it uses as much as digits as its factorization.

10138765613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 10138765613 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, six hundred thirteen".