2605074609 has 8 divisors (see below), whose sum is σ = 3473844192. Its totient is φ = 1736510720.

The previous prime is 2605074607. The next prime is 2605074631. The reversal of 2605074609 is 9064705062.

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 2605074609 - 2¹ = 2605074607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2605074607) 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, 18939 + ... + 74624.

It is an arithmetic number, because the mean of its divisors is an integer number (434230524).

Almost surely, 2^2605074609 is an apocalyptic number.

It is an amenable number.

2605074609 is a deficient number, since it is larger than the sum of its proper divisors (868769583).

2605074609 is an equidigital number, since it uses as much as digits as its factorization.

2605074609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102847.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2605074609 is about 51039.9315144525. The cubic root of 2605074609 is about 1375.9628929693.

The spelling of 2605074609 in words is "two billion, six hundred five million, seventy-four thousand, six hundred nine".