2585363863 has 8 divisors (see below), whose sum is σ = 2716989968. Its totient is φ = 2456987904.

The previous prime is 2585363849. The next prime is 2585363867. The reversal of 2585363863 is 3683635852.

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 2585363863 - 2⁵ = 2585363831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585363867) 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, 810906 + ... + 814087.

It is an arithmetic number, because the mean of its divisors is an integer number (339623746).

Almost surely, 2^2585363863 is an apocalyptic number.

2585363863 is a deficient number, since it is larger than the sum of its proper divisors (131626105).

2585363863 is a wasteful number, since it uses less digits than its factorization.

2585363863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625073.

The product of its digits is 3110400, while the sum is 49.

The square root of 2585363863 is about 50846.4734568682. The cubic root of 2585363863 is about 1372.4837928064.

The spelling of 2585363863 in words is "two billion, five hundred eighty-five million, three hundred sixty-three thousand, eight hundred sixty-three".