2186026845 has 32 divisors (see below), whose sum is σ = 3613900800. Its totient is φ = 1127200320.

The previous prime is 2186026841. The next prime is 2186026867. The reversal of 2186026845 is 5486206812.

It is not a de Polignac number, because 2186026845 - 2² = 2186026841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2186026797 and 2186026806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186026841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788652 + ... + 791418.

It is an arithmetic number, because the mean of its divisors is an integer number (112934400).

Almost surely, 2^2186026845 is an apocalyptic number.

It is an amenable number.

2186026845 is a deficient number, since it is larger than the sum of its proper divisors (1427873955).

2186026845 is a wasteful number, since it uses less digits than its factorization.

2186026845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2186026845 is about 46754.9659929296. The cubic root of 2186026845 is about 1297.8320562657.

The spelling of 2186026845 in words is "two billion, one hundred eighty-six million, twenty-six thousand, eight hundred forty-five".