9000489089 has 4 divisors (see below), whose sum is σ = 9000821460. Its totient is φ = 9000156720.

The previous prime is 9000489077. The next prime is 9000489103. The reversal of 9000489089 is 9809840009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6211804225 + 2788684864 = 78815^2 + 52808^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000489089 - 2⁴ = 9000489073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9000429089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121574 + ... + 181055.

It is an arithmetic number, because the mean of its divisors is an integer number (2250205365).

Almost surely, 2^9000489089 is an apocalyptic number.

It is an amenable number.

9000489089 is a deficient number, since it is larger than the sum of its proper divisors (332371).

9000489089 is a wasteful number, since it uses less digits than its factorization.

9000489089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332370.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 9000489089 is about 94870.9074953961. The cubic root of 9000489089 is about 2080.1215018552.

The spelling of 9000489089 in words is "nine billion, four hundred eighty-nine thousand, eighty-nine".