2560674859 has 8 divisors (see below), whose sum is σ = 2696120640. Its totient is φ = 2425296456.

The previous prime is 2560674751. The next prime is 2560674869. The reversal of 2560674859 is 9584760652.

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 2560674859 - 2⁷ = 2560674731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560674869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73704 + ... + 102730.

It is an arithmetic number, because the mean of its divisors is an integer number (337015080).

Almost surely, 2^2560674859 is an apocalyptic number.

2560674859 is a deficient number, since it is larger than the sum of its proper divisors (135445781).

2560674859 is a wasteful number, since it uses less digits than its factorization.

2560674859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33689.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The square root of 2560674859 is about 50603.1111592953. Note that the first 4 decimals coincide. The cubic root of 2560674859 is about 1368.1009543485.

The spelling of 2560674859 in words is "two billion, five hundred sixty million, six hundred seventy-four thousand, eight hundred fifty-nine".