10009100090 has 32 divisors (see below), whose sum is σ = 19658358720. Its totient is φ = 3638908800.

The previous prime is 10009100089. The next prime is 10009100099. The reversal of 10009100090 is 9000190001.

It is a super-2 number, since 2×10009100090² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10009100099) 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 15 ways as a sum of consecutive naturals, for example, 995006 + ... + 1005014.

It is an arithmetic number, because the mean of its divisors is an integer number (614323710).

Almost surely, 2^10009100090 is an apocalyptic number.

10009100090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10009100090 is a deficient number, since it is larger than the sum of its proper divisors (9649258630).

10009100090 is a wasteful number, since it uses less digits than its factorization.

10009100090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19118.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 10009100090 its reverse (9000190001), we get a palindrome (19009290091).

The spelling of 10009100090 in words is "ten billion, nine million, one hundred thousand, ninety".