9100010009090 has 192 divisors, whose sum is σ = 22175940229632. Its totient is φ = 2616226145280.

The previous prime is 9100010009059. The next prime is 9100010009119. The reversal of 9100010009090 is 909000100019.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 150490142 + ... + 150550598.

It is an arithmetic number, because the mean of its divisors is an integer number (115499688696).

Almost surely, 2^{9100010009090} is an apocalyptic number.

9100010009090 is an abundant number, since it is smaller than the sum of its proper divisors (13075930220542).

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

9100010009090 is a wasteful number, since it uses less digits than its factorization.

9100010009090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61873 (or 61862 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 29.

The spelling of 9100010009090 in words is "nine trillion, one hundred billion, ten million, nine thousand, ninety".