9713889013 has 2 divisors, whose sum is σ = 9713889014. Its totient is φ = 9713889012.

The previous prime is 9713888861. The next prime is 9713889037. The reversal of 9713889013 is 3109883179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8627065924 + 1086823089 = 92882^2 + 32967^2 .

It is a cyclic number.

It is not a de Polignac number, because 9713889013 - 2¹³ = 9713880821 is a prime.

It is a super-2 number, since 2×9713889013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9713889113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856944506 + 4856944507.

It is an arithmetic number, because the mean of its divisors is an integer number (4856944507).

Almost surely, 2^9713889013 is an apocalyptic number.

It is an amenable number.

9713889013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713889013 is an equidigital number, since it uses as much as digits as its factorization.

9713889013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 9713889013 is about 98559.0635761116. The cubic root of 9713889013 is about 2133.6886434858.

The spelling of 9713889013 in words is "nine billion, seven hundred thirteen million, eight hundred eighty-nine thousand, thirteen".