9799151911 has 2 divisors, whose sum is σ = 9799151912. Its totient is φ = 9799151910.

The previous prime is 9799151837. The next prime is 9799151953. The reversal of 9799151911 is 1191519979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9799151911 - 2⁷ = 9799151783 is a prime.

It is a super-4 number, since 4×9799151911⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9799151111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899575955 + 4899575956.

It is an arithmetic number, because the mean of its divisors is an integer number (4899575956).

Almost surely, 2^9799151911 is an apocalyptic number.

9799151911 is a deficient number, since it is larger than the sum of its proper divisors (1).

9799151911 is an equidigital number, since it uses as much as digits as its factorization.

9799151911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229635, while the sum is 52.

The square root of 9799151911 is about 98990.6657771327. The cubic root of 9799151911 is about 2139.9132284233.

The spelling of 9799151911 in words is "nine billion, seven hundred ninety-nine million, one hundred fifty-one thousand, nine hundred eleven".