2194681068 has 60 divisors (see below), whose sum is σ = 5986799280. Its totient is φ = 699751008.

The previous prime is 2194681043. The next prime is 2194681109. The reversal of 2194681068 is 8601864912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139803 + ... + 154706.

It is an arithmetic number, because the mean of its divisors is an integer number (99779988).

Almost surely, 2^2194681068 is an apocalyptic number.

It is an amenable number.

2194681068 is an abundant number, since it is smaller than the sum of its proper divisors (3792118212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2194681068 is a wasteful number, since it uses less digits than its factorization.

2194681068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294548 (or 294537 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2194681068 is about 46847.4232802616. The cubic root of 2194681068 is about 1299.5424559456.

The spelling of 2194681068 in words is "two billion, one hundred ninety-four million, six hundred eighty-one thousand, sixty-eight".