9090910001 has 4 divisors (see below), whose sum is σ = 9098344512. Its totient is φ = 9083475492.

The previous prime is 9090909977. The next prime is 9090910007. The reversal of 9090910001 is 1000190909.

9090910001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9090910001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9090910007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3715421 + ... + 3717866.

It is an arithmetic number, because the mean of its divisors is an integer number (2274586128).

Almost surely, 2^9090910001 is an apocalyptic number.

It is an amenable number.

9090910001 is a deficient number, since it is larger than the sum of its proper divisors (7434511).

9090910001 is a wasteful number, since it uses less digits than its factorization.

9090910001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434510.

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

The square root of 9090910001 is about 95346.2636971161. The cubic root of 9090910001 is about 2087.0640920686.

The spelling of 9090910001 in words is "nine billion, ninety million, nine hundred ten thousand, one".