9980709313 has 2 divisors, whose sum is σ = 9980709314. Its totient is φ = 9980709312.

The previous prime is 9980709311. The next prime is 9980709353. The reversal of 9980709313 is 3139070899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7852086544 + 2128622769 = 88612^2 + 46137^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980709313 - 2¹ = 9980709311 is a prime.

It is a super-2 number, since 2×9980709313² (a number of 21 digits) contains 22 as substring.

Together with 9980709311, it forms a pair of twin primes.

It is the 99904-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (9980709311) by changing a digit.

It is a nontrivial repunit in base 99903.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990354656 + 4990354657.

It is an arithmetic number, because the mean of its divisors is an integer number (4990354657).

Almost surely, 2^9980709313 is an apocalyptic number.

It is an amenable number.

9980709313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980709313 is an equidigital number, since it uses as much as digits as its factorization.

9980709313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 9980709313 is about 99903.5000037536. The cubic root of 9980709313 is about 2153.0484474214.

The spelling of 9980709313 in words is "nine billion, nine hundred eighty million, seven hundred nine thousand, three hundred thirteen".