9099190889 has 2 divisors, whose sum is σ = 9099190890. Its totient is φ = 9099190888.

The previous prime is 9099190831. The next prime is 9099190907. The reversal of 9099190889 is 9880919909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8232477289 + 866713600 = 90733^2 + 29440^2 .

It is a cyclic number.

It is not a de Polignac number, because 9099190889 - 2¹⁶ = 9099125353 is a prime.

It is a super-2 number, since 2×9099190889² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9099190819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4549595444 + 4549595445.

It is an arithmetic number, because the mean of its divisors is an integer number (4549595445).

Almost surely, 2^9099190889 is an apocalyptic number.

It is an amenable number.

9099190889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9099190889 is an equidigital number, since it uses as much as digits as its factorization.

9099190889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 62.

The square root of 9099190889 is about 95389.6791534598. The cubic root of 9099190889 is about 2087.6976003035.

The spelling of 9099190889 in words is "nine billion, ninety-nine million, one hundred ninety thousand, eight hundred eighty-nine".