2189566094 has 16 divisors (see below), whose sum is σ = 3374514000. Its totient is φ = 1064752704.

The previous prime is 2189566073. The next prime is 2189566139. The reversal of 2189566094 is 4906659812.

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, 239642 + ... + 248610.

It is an arithmetic number, because the mean of its divisors is an integer number (210907125).

Almost surely, 2^2189566094 is an apocalyptic number.

2189566094 is a deficient number, since it is larger than the sum of its proper divisors (1184947906).

2189566094 is a wasteful number, since it uses less digits than its factorization.

2189566094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12307.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2189566094 is about 46792.7995956643. The cubic root of 2189566094 is about 1298.5320894662.

The spelling of 2189566094 in words is "two billion, one hundred eighty-nine million, five hundred sixty-six thousand, ninety-four".