90909091003 has 8 divisors (see below), whose sum is σ = 91061334000. Its totient is φ = 90756917088.

The previous prime is 90909090977. The next prime is 90909091027. The reversal of 90909091003 is 30019090909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90909091003 - 2⁹ = 90909090491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90909091073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3068700 + ... + 3098182.

It is an arithmetic number, because the mean of its divisors is an integer number (11382666750).

Almost surely, 2^90909091003 is an apocalyptic number.

90909091003 is a deficient number, since it is larger than the sum of its proper divisors (152242997).

90909091003 is a wasteful number, since it uses less digits than its factorization.

90909091003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34541.

The product of its (nonzero) digits is 19683, while the sum is 40.

The spelling of 90909091003 in words is "ninety billion, nine hundred nine million, ninety-one thousand, three".