9200909091 has 12 divisors (see below), whose sum is σ = 13484528456. Its totient is φ = 5576308320.

The previous prime is 9200909077. The next prime is 9200909093. The reversal of 9200909091 is 1909090029.

It is a happy number.

9200909091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9200909091 - 2⁵ = 9200909059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9200909093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12673066 + ... + 12673791.

Almost surely, 2^9200909091 is an apocalyptic number.

9200909091 is a deficient number, since it is larger than the sum of its proper divisors (4283619365).

9200909091 is a wasteful number, since it uses less digits than its factorization.

9200909091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25346882 (or 25346871 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 9200909091 is about 95921.3693136206. The cubic root of 9200909091 is about 2095.4481218341.

The spelling of 9200909091 in words is "nine billion, two hundred million, nine hundred nine thousand, ninety-one".