90909110010 has 64 divisors (see below), whose sum is σ = 218962517760. Its totient is φ = 24155827200.

The previous prime is 90909110009. The next prime is 90909110011. The reversal of 90909110010 is 1001190909.

It is an interprime number because it is at equal distance from previous prime (90909110009) and next prime (90909110011).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 90909110010.

It is not an unprimeable number, because it can be changed into a prime (90909110011) 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, 12784336 + ... + 12791444.

It is an arithmetic number, because the mean of its divisors is an integer number (3421289340).

Almost surely, 2^90909110010 is an apocalyptic number.

90909110010 is an abundant number, since it is smaller than the sum of its proper divisors (128053407750).

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

90909110010 is a wasteful number, since it uses less digits than its factorization.

90909110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 90909110010 in words is "ninety billion, nine hundred nine million, one hundred ten thousand, ten".