9992912513 has 2 divisors, whose sum is σ = 9992912514. Its totient is φ = 9992912512.

The previous prime is 9992912509. The next prime is 9992912519. The reversal of 9992912513 is 3152192999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8510431504 + 1482481009 = 92252^2 + 38503^2 .

It is a cyclic number.

It is not a de Polignac number, because 9992912513 - 2² = 9992912509 is a prime.

It is not a weakly prime, because it can be changed into another prime (9992912519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996456256 + 4996456257.

It is an arithmetic number, because the mean of its divisors is an integer number (4996456257).

Almost surely, 2^9992912513 is an apocalyptic number.

It is an amenable number.

9992912513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992912513 is an equidigital number, since it uses as much as digits as its factorization.

9992912513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393660, while the sum is 50.

The square root of 9992912513 is about 99964.5562837149. The cubic root of 9992912513 is about 2153.9255854753.

The spelling of 9992912513 in words is "nine billion, nine hundred ninety-two million, nine hundred twelve thousand, five hundred thirteen".