90000900010 has 64 divisors (see below), whose sum is σ = 189688988160. Its totient is φ = 30109040640.

The previous prime is 90000899999. The next prime is 90000900131. The reversal of 90000900010 is 1000900009.

It is a super-2 number, since 2×90000900010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388746 + ... + 575434.

It is an arithmetic number, because the mean of its divisors is an integer number (2963890440).

Almost surely, 2^90000900010 is an apocalyptic number.

90000900010 is an abundant number, since it is smaller than the sum of its proper divisors (99688088150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90000900010 is a wasteful number, since it uses less digits than its factorization.

90000900010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186871.

The product of its (nonzero) digits is 81, while the sum is 19.

The spelling of 90000900010 in words is "ninety billion, nine hundred thousand, ten".