9099190091 has 8 divisors (see below), whose sum is σ = 9485712768. Its totient is φ = 8718480000.

The previous prime is 9099190081. The next prime is 9099190123. The reversal of 9099190091 is 1900919909.

9099190091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9099190091 - 2¹⁸ = 9098927947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9099190021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449950 + ... + 1456211.

It is an arithmetic number, because the mean of its divisors is an integer number (1185714096).

Almost surely, 2^9099190091 is an apocalyptic number.

9099190091 is a deficient number, since it is larger than the sum of its proper divisors (386522677).

9099190091 is a wasteful number, since it uses less digits than its factorization.

9099190091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906293.

The product of its (nonzero) digits is 59049, while the sum is 47.

The square root of 9099190091 is about 95389.6749706172. The cubic root of 9099190091 is about 2087.6975392731.

The spelling of 9099190091 in words is "nine billion, ninety-nine million, one hundred ninety thousand, ninety-one".