90090009010 has 32 divisors (see below), whose sum is σ = 162400764672. Its totient is φ = 35982999360.

The previous prime is 90090008977. The next prime is 90090009047. The reversal of 90090009010 is 1090009009.

It is a self number, because there is not a number n which added to its sum of digits gives 90090009010.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33828939 + ... + 33831601.

It is an arithmetic number, because the mean of its divisors is an integer number (5075023896).

Almost surely, 2^90090009010 is an apocalyptic number.

90090009010 is a deficient number, since it is larger than the sum of its proper divisors (72310755662).

90090009010 is a wasteful number, since it uses less digits than its factorization.

90090009010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378.

The product of its (nonzero) digits is 729, while the sum is 28.

The spelling of 90090009010 in words is "ninety billion, ninety million, nine thousand, ten".