2585868685852 has 24 divisors (see below), whose sum is σ = 4607624749392. Its totient is φ = 1269479769600.

The previous prime is 2585868685847. The next prime is 2585868685859.

2585868685852 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585868685859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9274549 + ... + 9549292.

It is an arithmetic number, because the mean of its divisors is an integer number (191984364558).

Almost surely, 2^{2585868685852} is an apocalyptic number.

It is an amenable number.

2585868685852 is a deficient number, since it is larger than the sum of its proper divisors (2021756063540).

2585868685852 is a wasteful number, since it uses less digits than its factorization.

2585868685852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18824469 (or 18824467 counting only the distinct ones).

The product of its digits is 2949120000, while the sum is 76.

The spelling of 2585868685852 in words is "two trillion, five hundred eighty-five billion, eight hundred sixty-eight million, six hundred eighty-five thousand, eight hundred fifty-two".