2185685000239 has 8 divisors (see below), whose sum is σ = 2358531686000. Its totient is φ = 2013512181696.

The previous prime is 2185685000221. The next prime is 2185685000243. The reversal of 2185685000239 is 9320005865812.

It is a happy number.

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 2185685000239 - 2⁷ = 2185685000111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2185685000192 and 2185685000201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185685000269) 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, 168460062 + ... + 168473035.

It is an arithmetic number, because the mean of its divisors is an integer number (294816460750).

Almost surely, 2^{2185685000239} is an apocalyptic number.

2185685000239 is a deficient number, since it is larger than the sum of its proper divisors (172846685761).

2185685000239 is a wasteful number, since it uses less digits than its factorization.

2185685000239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336933609.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 2185685000239 in words is "two trillion, one hundred eighty-five billion, six hundred eighty-five million, two hundred thirty-nine", and thus it is an aban number.