2585681474 has 8 divisors (see below), whose sum is σ = 3880286208. Its totient is φ = 1292252740.

The previous prime is 2585681447. The next prime is 2585681503. The reversal of 2585681474 is 4741865852.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288482 + ... + 297309.

It is an arithmetic number, because the mean of its divisors is an integer number (485035776).

Almost surely, 2^2585681474 is an apocalyptic number.

2585681474 is a deficient number, since it is larger than the sum of its proper divisors (1294604734).

2585681474 is a wasteful number, since it uses less digits than its factorization.

2585681474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588000.

The product of its digits is 2150400, while the sum is 50.

The square root of 2585681474 is about 50849.5965962366. The cubic root of 2585681474 is about 1372.5399935482.

The spelling of 2585681474 in words is "two billion, five hundred eighty-five million, six hundred eighty-one thousand, four hundred seventy-four".