2194843794 has 32 divisors (see below), whose sum is σ = 5157117504. Its totient is φ = 613942080.

The previous prime is 2194843787. The next prime is 2194843831. The reversal of 2194843794 is 4973484912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278189 + ... + 1279904.

It is an arithmetic number, because the mean of its divisors is an integer number (161159922).

Almost surely, 2^2194843794 is an apocalyptic number.

2194843794 is an abundant number, since it is smaller than the sum of its proper divisors (2962273710).

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

2194843794 is a wasteful number, since it uses less digits than its factorization.

2194843794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558122.

The product of its digits is 1741824, while the sum is 51.

The square root of 2194843794 is about 46849.1600138145. The cubic root of 2194843794 is about 1299.5745736145.

The spelling of 2194843794 in words is "two billion, one hundred ninety-four million, eight hundred forty-three thousand, seven hundred ninety-four".