9900901099 has 16 divisors (see below), whose sum is σ = 10539613728. Its totient is φ = 9268559872.

The previous prime is 9900901079. The next prime is 9900901141. The reversal of 9900901099 is 9901090099.

9900901099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9900901099 - 2⁹ = 9900900587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9900901079) 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 in 15 ways as a sum of consecutive naturals, for example, 4136247 + ... + 4138639.

It is an arithmetic number, because the mean of its divisors is an integer number (658725858).

Almost surely, 2^9900901099 is an apocalyptic number.

9900901099 is a deficient number, since it is larger than the sum of its proper divisors (638712629).

9900901099 is a wasteful number, since it uses less digits than its factorization.

9900901099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 59049, while the sum is 46.

The square root of 9900901099 is about 99503.2718004790. The cubic root of 9900901099 is about 2147.2943140478.

The spelling of 9900901099 in words is "nine billion, nine hundred million, nine hundred one thousand, ninety-nine".