9000990990009 has 32 divisors (see below), whose sum is σ = 13770865879680. Its totient is φ = 5806223726400.

The previous prime is 9000990990001. The next prime is 9000990990031.

9000990990009 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9000990990009 - 2³ = 9000990990001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9000990990001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24708687 + ... + 25070324.

It is an arithmetic number, because the mean of its divisors is an integer number (430339558740).

Almost surely, 2^{9000990990009} is an apocalyptic number.

It is an amenable number.

9000990990009 is a deficient number, since it is larger than the sum of its proper divisors (4769874889671).

9000990990009 is a wasteful number, since it uses less digits than its factorization.

9000990990009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49779238 (or 49779232 counting only the distinct ones).

The product of its (nonzero) digits is 531441, while the sum is 54.

It can be divided in two parts, 9000990 and 990009, that added together give a palindrome (9990999).

The spelling of 9000990990009 in words is "nine trillion, nine hundred ninety million, nine hundred ninety thousand, nine".