9009910989999 has 8 divisors (see below), whose sum is σ = 13348016281520. Its totient is φ = 6006607326648.

The previous prime is 9009910989991. The next prime is 9009910990007. The reversal of 9009910989999 is 9999890199009.

It is an interprime number because it is at equal distance from previous prime (9009910989991) and next prime (9009910990007).

It is not a de Polignac number, because 9009910989999 - 2³ = 9009910989991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009910989991) 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, 166850203492 + ... + 166850203545.

It is an arithmetic number, because the mean of its divisors is an integer number (1668502035190).

Almost surely, 2^{9009910989999} is an apocalyptic number.

9009910989999 is a deficient number, since it is larger than the sum of its proper divisors (4338105291521).

9009910989999 is a wasteful number, since it uses less digits than its factorization.

9009910989999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333700407046 (or 333700407040 counting only the distinct ones).

The product of its (nonzero) digits is 344373768, while the sum is 81.

The spelling of 9009910989999 in words is "nine trillion, nine billion, nine hundred ten million, nine hundred eighty-nine thousand, nine hundred ninety-nine".