2685085990 has 8 divisors (see below), whose sum is σ = 4833154800. Its totient is φ = 1074034392.

The previous prime is 2685085981. The next prime is 2685086021. The reversal of 2685085990 is 995805862.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134254290 + ... + 134254309.

It is an arithmetic number, because the mean of its divisors is an integer number (604144350).

Almost surely, 2^2685085990 is an apocalyptic number.

2685085990 is a deficient number, since it is larger than the sum of its proper divisors (2148068810).

2685085990 is a wasteful number, since it uses less digits than its factorization.

2685085990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268508606.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 2685085990 is about 51817.8153727075. The cubic root of 2685085990 is about 1389.9080369778.

The spelling of 2685085990 in words is "two billion, six hundred eighty-five million, eighty-five thousand, nine hundred ninety".