9090909093 has 12 divisors (see below), whose sum is σ = 14100185760. Its totient is φ = 5194805112.

The previous prime is 9090909031. The next prime is 9090909127. The reversal of 9090909093 is 3909090909.

9090909093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9090909093 - 2⁶ = 9090909029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090909013) 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 11 ways as a sum of consecutive naturals, for example, 30921313 + ... + 30921606.

It is an arithmetic number, because the mean of its divisors is an integer number (1175015480).

Almost surely, 2^9090909093 is an apocalyptic number.

It is an amenable number.

9090909093 is a deficient number, since it is larger than the sum of its proper divisors (5009276667).

9090909093 is a wasteful number, since it uses less digits than its factorization.

9090909093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61842936 (or 61842929 counting only the distinct ones).

The product of its (nonzero) digits is 177147, while the sum is 48.

The square root of 9090909093 is about 95346.2589355241. The cubic root of 9090909093 is about 2087.0640225832.

The spelling of 9090909093 in words is "nine billion, ninety million, nine hundred nine thousand, ninety-three".