9099900099909 has 12 divisors (see below), whose sum is σ = 13144326464256. Its totient is φ = 6066587918952.

The previous prime is 9099900099889. The next prime is 9099900099947.

9099900099909 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9099900099909 - 2¹⁶ = 9099900034373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099900049909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7494214 + ... + 8623400.

It is an arithmetic number, because the mean of its divisors is an integer number (1095360538688).

Almost surely, 2^{9099900099909} is an apocalyptic number.

It is an amenable number.

9099900099909 is a deficient number, since it is larger than the sum of its proper divisors (4044426364347).

9099900099909 is a wasteful number, since it uses less digits than its factorization.

9099900099909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024616 (or 2024613 counting only the distinct ones).

The product of its (nonzero) digits is 43046721, while the sum is 72.

The spelling of 9099900099909 in words is "nine trillion, ninety-nine billion, nine hundred million, ninety-nine thousand, nine hundred nine".