10090910009090 has 32 divisors (see below), whose sum is σ = 18423578954160. Its totient is φ = 3978948384000.

The previous prime is 10090910009083. The next prime is 10090910009113. The reversal of 10090910009090 is 9090001909001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7138894640641 + 2952015368449 = 2671871^2 + 1718143^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21583121 + ... + 22045700.

Almost surely, 2^{10090910009090} is an apocalyptic number.

10090910009090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10090910009090 is a deficient number, since it is larger than the sum of its proper divisors (8332668945070).

10090910009090 is a wasteful number, since it uses less digits than its factorization.

10090910009090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43629158.

The product of its (nonzero) digits is 6561, while the sum is 38.

The spelling of 10090910009090 in words is "ten trillion, ninety billion, nine hundred ten million, nine thousand, ninety".