2609253609 has 8 divisors (see below), whose sum is σ = 3486859872. Its totient is φ = 1735574880.

The previous prime is 2609253599. The next prime is 2609253611. The reversal of 2609253609 is 9063529062.

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

It is not a de Polignac number, because 2609253609 - 2¹⁶ = 2609188073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2609253629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980332 + ... + 982989.

It is an arithmetic number, because the mean of its divisors is an integer number (435857484).

Almost surely, 2^2609253609 is an apocalyptic number.

It is an amenable number.

2609253609 is a deficient number, since it is larger than the sum of its proper divisors (877606263).

2609253609 is a wasteful number, since it uses less digits than its factorization.

2609253609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963767.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 2609253609 is about 51080.8536440025. The cubic root of 2609253609 is about 1376.6982624280.

The spelling of 2609253609 in words is "two billion, six hundred nine million, two hundred fifty-three thousand, six hundred nine".