9099190081 has 2 divisors, whose sum is σ = 9099190082. Its totient is φ = 9099190080.

The previous prime is 9099190073. The next prime is 9099190123. The reversal of 9099190081 is 1800919909.

9099190081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7592508225 + 1506681856 = 87135^2 + 38816^2 .

It is a cyclic number.

It is not a de Polignac number, because 9099190081 - 2³ = 9099190073 is a prime.

It is a super-2 number, since 2×9099190081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9099190021) 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, 4549595040 + 4549595041.

It is an arithmetic number, because the mean of its divisors is an integer number (4549595041).

Almost surely, 2^9099190081 is an apocalyptic number.

It is an amenable number.

9099190081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9099190081 is an equidigital number, since it uses as much as digits as its factorization.

9099190081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 46.

The square root of 9099190081 is about 95389.6749182007. The cubic root of 9099190081 is about 2087.6975385083.

The spelling of 9099190081 in words is "nine billion, ninety-nine million, one hundred ninety thousand, eighty-one".