90900900910 has 64 divisors (see below), whose sum is σ = 166661903808. Its totient is φ = 35692360704.

The previous prime is 90900900899. The next prime is 90900900913. The reversal of 90900900910 is 1900900909.

It is a super-3 number, since 3×90900900910³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90900900910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90900900913) 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, 103649392 + ... + 103650268.

It is an arithmetic number, because the mean of its divisors is an integer number (2604092247).

Almost surely, 2^90900900910 is an apocalyptic number.

90900900910 is a deficient number, since it is larger than the sum of its proper divisors (75761002898).

90900900910 is a wasteful number, since it uses less digits than its factorization.

90900900910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its (nonzero) digits is 6561, while the sum is 37.

The spelling of 90900900910 in words is "ninety billion, nine hundred million, nine hundred thousand, nine hundred ten".