2585856049 has 8 divisors (see below), whose sum is σ = 2958923520. Its totient is φ = 2213703456.

The previous prime is 2585856047. The next prime is 2585856173. The reversal of 2585856049 is 9406585852.

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 2585856049 - 2¹ = 2585856047 is a prime.

It is a super-2 number, since 2×2585856049² = 13373303012299780802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2585855987 and 2585856005.

It is not an unprimeable number, because it can be changed into a prime (2585856047) 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, 222649 + ... + 233974.

It is an arithmetic number, because the mean of its divisors is an integer number (369865440).

Almost surely, 2^2585856049 is an apocalyptic number.

It is an amenable number.

2585856049 is a deficient number, since it is larger than the sum of its proper divisors (373067471).

2585856049 is an equidigital number, since it uses as much as digits as its factorization.

2585856049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457439.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The square root of 2585856049 is about 50851.3131492197. The cubic root of 2585856049 is about 1372.5708823460.

The spelling of 2585856049 in words is "two billion, five hundred eighty-five million, eight hundred fifty-six thousand, forty-nine".