9980709311 has 2 divisors, whose sum is σ = 9980709312. Its totient is φ = 9980709310.

The previous prime is 9980709307. The next prime is 9980709313. The reversal of 9980709311 is 1139070899.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1139070899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9980709311 - 2² = 9980709307 is a prime.

It is a super-2 number, since 2×9980709311² (a number of 21 digits) contains 22 as substring.

Together with 9980709313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9980709313) 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, 4990354655 + 4990354656.

It is an arithmetic number, because the mean of its divisors is an integer number (4990354656).

Almost surely, 2^9980709311 is an apocalyptic number.

9980709311 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980709311 is an equidigital number, since it uses as much as digits as its factorization.

9980709311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 9980709311 is about 99903.4999937440. The cubic root of 9980709311 is about 2153.0484472776.

The spelling of 9980709311 in words is "nine billion, nine hundred eighty million, seven hundred nine thousand, three hundred eleven".