2609289136 has 40 divisors (see below), whose sum is σ = 5245775360. Its totient is φ = 1256269824.

The previous prime is 2609289097. The next prime is 2609289157. The reversal of 2609289136 is 6319829062.

2609289136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34705 + ... + 80143.

It is an arithmetic number, because the mean of its divisors is an integer number (131144384).

Almost surely, 2^2609289136 is an apocalyptic number.

It is an amenable number.

2609289136 is an abundant number, since it is smaller than the sum of its proper divisors (2636486224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2609289136 is a wasteful number, since it uses less digits than its factorization.

2609289136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45581 (or 45575 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2609289136 is about 51081.2013954253. The cubic root of 2609289136 is about 1376.7045106692.

The spelling of 2609289136 in words is "two billion, six hundred nine million, two hundred eighty-nine thousand, one hundred thirty-six".