9930637513 has 2 divisors, whose sum is σ = 9930637514. Its totient is φ = 9930637512.

The previous prime is 9930637501. The next prime is 9930637547. The reversal of 9930637513 is 3157360399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9861880249 + 68757264 = 99307^2 + 8292^2 .

It is a cyclic number.

It is not a de Polignac number, because 9930637513 - 2¹³ = 9930629321 is a prime.

It is a super-2 number, since 2×9930637513² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9930637553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965318756 + 4965318757.

It is an arithmetic number, because the mean of its divisors is an integer number (4965318757).

Almost surely, 2^9930637513 is an apocalyptic number.

It is an amenable number.

9930637513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9930637513 is an equidigital number, since it uses as much as digits as its factorization.

9930637513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 46.

The square root of 9930637513 is about 99652.5840758783. The cubic root of 9930637513 is about 2149.4418968187.

The spelling of 9930637513 in words is "nine billion, nine hundred thirty million, six hundred thirty-seven thousand, five hundred thirteen".