3685185368685 has 24 divisors (see below), whose sum is σ = 6387814611360. Its totient is φ = 1965382974432.

The previous prime is 3685185368659. The next prime is 3685185368693. The reversal of 3685185368685 is 5868635815863.

3685185368685 is a `hidden beast` number, since 3 + 6 + 8 + 5 + 1 + 8 + 536 + 8 + 6 + 85 = 666.

It is not a de Polignac number, because 3685185368685 - 2⁹ = 3685185368173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828162 + ... + 2838348.

It is an arithmetic number, because the mean of its divisors is an integer number (266158942140).

Almost surely, 2^{3685185368685} is an apocalyptic number.

It is an amenable number.

3685185368685 is a deficient number, since it is larger than the sum of its proper divisors (2702629242675).

3685185368685 is a wasteful number, since it uses less digits than its factorization.

3685185368685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050937 (or 2050934 counting only the distinct ones).

The product of its digits is 995328000, while the sum is 72.

The spelling of 3685185368685 in words is "three trillion, six hundred eighty-five billion, one hundred eighty-five million, three hundred sixty-eight thousand, six hundred eighty-five".