2108894188 has 6 divisors (see below), whose sum is σ = 3690564836. Its totient is φ = 1054447092.

The previous prime is 2108894159. The next prime is 2108894201. The reversal of 2108894188 is 8814988012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263611770 + ... + 263611777.

Almost surely, 2^2108894188 is an apocalyptic number.

It is an amenable number.

2108894188 is a deficient number, since it is larger than the sum of its proper divisors (1581670648).

2108894188 is a wasteful number, since it uses less digits than its factorization.

2108894188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527223551 (or 527223549 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The square root of 2108894188 is about 45922.6979608124. The cubic root of 2108894188 is about 1282.3845094082.

The spelling of 2108894188 in words is "two billion, one hundred eight million, eight hundred ninety-four thousand, one hundred eighty-eight".