2189063218 has 8 divisors (see below), whose sum is σ = 3284277120. Its totient is φ = 1094304180.

The previous prime is 2189063213. The next prime is 2189063237. The reversal of 2189063218 is 8123609812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2189063213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101418 + ... + 121093.

It is an arithmetic number, because the mean of its divisors is an integer number (410534640).

Almost surely, 2^2189063218 is an apocalyptic number.

2189063218 is a deficient number, since it is larger than the sum of its proper divisors (1095213902).

2189063218 is a wasteful number, since it uses less digits than its factorization.

2189063218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227432.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2189063218 is about 46787.4258535346. The cubic root of 2189063218 is about 1298.4326708915.

The spelling of 2189063218 in words is "two billion, one hundred eighty-nine million, sixty-three thousand, two hundred eighteen".