2186883985 has 16 divisors (see below), whose sum is σ = 3083048640. Its totient is φ = 1468117440.

The previous prime is 2186883973. The next prime is 2186884013. The reversal of 2186883985 is 5893886812.

It is not a de Polignac number, because 2186883985 - 2⁹ = 2186883473 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528575 + ... + 1530004.

It is an arithmetic number, because the mean of its divisors is an integer number (192690540).

Almost surely, 2^2186883985 is an apocalyptic number.

It is an amenable number.

2186883985 is a deficient number, since it is larger than the sum of its proper divisors (896164655).

2186883985 is a wasteful number, since it uses less digits than its factorization.

2186883985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058608.

The product of its digits is 6635520, while the sum is 58.

The square root of 2186883985 is about 46764.1313936226. The cubic root of 2186883985 is about 1298.0016605273.

The spelling of 2186883985 in words is "two billion, one hundred eighty-six million, eight hundred eighty-three thousand, nine hundred eighty-five".