9799630831 has 2 divisors, whose sum is σ = 9799630832. Its totient is φ = 9799630830.

The previous prime is 9799630793. The next prime is 9799630853. The reversal of 9799630831 is 1380369979.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9799630831 is a prime.

It is a super-2 number, since 2×9799630831² (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 (9799630871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899815415 + 4899815416.

It is an arithmetic number, because the mean of its divisors is an integer number (4899815416).

Almost surely, 2^9799630831 is an apocalyptic number.

9799630831 is a deficient number, since it is larger than the sum of its proper divisors (1).

9799630831 is an equidigital number, since it uses as much as digits as its factorization.

9799630831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 9799630831 is about 98993.0847635329. The cubic root of 9799630831 is about 2139.9480896221.

The spelling of 9799630831 in words is "nine billion, seven hundred ninety-nine million, six hundred thirty thousand, eight hundred thirty-one".