2685604605 has 64 divisors (see below), whose sum is σ = 4512568320. Its totient is φ = 1362816000.

The previous prime is 2685604589. The next prime is 2685604619. The reversal of 2685604605 is 5064065862.

It is not a de Polignac number, because 2685604605 - 2⁴ = 2685604589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3830755 + ... + 3831455.

It is an arithmetic number, because the mean of its divisors is an integer number (70508880).

Almost surely, 2^2685604605 is an apocalyptic number.

It is an amenable number.

2685604605 is a deficient number, since it is larger than the sum of its proper divisors (1826963715).

2685604605 is a wasteful number, since it uses less digits than its factorization.

2685604605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 2685604605 is about 51822.8193463073. The cubic root of 2685604605 is about 1389.9975165147.

The spelling of 2685604605 in words is "two billion, six hundred eighty-five million, six hundred four thousand, six hundred five".