9928992911 has 2 divisors, whose sum is σ = 9928992912. Its totient is φ = 9928992910.

The previous prime is 9928992893. The next prime is 9928992929. The reversal of 9928992911 is 1192998299.

9928992911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (9928992893) and next prime (9928992929).

It is an emirp because it is prime and its reverse (1192998299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9928992911 - 2¹⁰ = 9928991887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9928992971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964496455 + 4964496456.

It is an arithmetic number, because the mean of its divisors is an integer number (4964496456).

Almost surely, 2^9928992911 is an apocalyptic number.

9928992911 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928992911 is an equidigital number, since it uses as much as digits as its factorization.

9928992911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 59.

The square root of 9928992911 is about 99644.3320565701. The cubic root of 9928992911 is about 2149.3232346953.

The spelling of 9928992911 in words is "nine billion, nine hundred twenty-eight million, nine hundred ninety-two thousand, nine hundred eleven".