2189413886 has 16 divisors (see below), whose sum is σ = 3665996928. Its totient is φ = 972043800.

The previous prime is 2189413813. The next prime is 2189413903. The reversal of 2189413886 is 6883149812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156250 + ... + 1158141.

It is an arithmetic number, because the mean of its divisors is an integer number (229124808).

Almost surely, 2^2189413886 is an apocalyptic number.

2189413886 is a deficient number, since it is larger than the sum of its proper divisors (1476583042).

2189413886 is a wasteful number, since it uses less digits than its factorization.

2189413886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314447.

The product of its digits is 663552, while the sum is 50.

The square root of 2189413886 is about 46791.1731633222. The cubic root of 2189413886 is about 1298.5019995544.

The spelling of 2189413886 in words is "two billion, one hundred eighty-nine million, four hundred thirteen thousand, eight hundred eighty-six".