2109485089 has 24 divisors (see below), whose sum is σ = 2351909952. Its totient is φ = 1887922080.

The previous prime is 2109485087. The next prime is 2109485123. The reversal of 2109485089 is 9805849012.

It is not a de Polignac number, because 2109485089 - 2¹ = 2109485087 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109485087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687619 + ... + 690679.

It is an arithmetic number, because the mean of its divisors is an integer number (97996248).

Almost surely, 2^2109485089 is an apocalyptic number.

It is an amenable number.

2109485089 is a deficient number, since it is larger than the sum of its proper divisors (242424863).

2109485089 is a wasteful number, since it uses less digits than its factorization.

2109485089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 2109485089 is about 45929.1311587755. The cubic root of 2109485089 is about 1282.5042706762.

The spelling of 2109485089 in words is "two billion, one hundred nine million, four hundred eighty-five thousand, eighty-nine".