9091009101009 has 64 divisors (see below), whose sum is σ = 13965177600000. Its totient is φ = 5202523468800.

The previous prime is 9091009100989. The next prime is 9091009101011. The reversal of 9091009101009 is 9001019001909.

It is not a de Polignac number, because 9091009101009 - 2¹³ = 9091009092817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9091009101059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234593367 + ... + 234632115.

It is an arithmetic number, because the mean of its divisors is an integer number (218205900000).

Almost surely, 2^{9091009101009} is an apocalyptic number.

It is an amenable number.

9091009101009 is a deficient number, since it is larger than the sum of its proper divisors (4874168498991).

9091009101009 is a wasteful number, since it uses less digits than its factorization.

9091009101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40006.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 9091009101009 in words is "nine trillion, ninety-one billion, nine million, one hundred one thousand, nine".