8194444394 has 8 divisors (see below), whose sum is σ = 12493169508. Its totient is φ = 4030054560.

The previous prime is 8194444369. The next prime is 8194444403. The reversal of 8194444394 is 4934444918.

8194444394 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8093341369 + 101103025 = 89963^2 + 10055^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33583667 + ... + 33583910.

Almost surely, 2^8194444394 is an apocalyptic number.

8194444394 is a deficient number, since it is larger than the sum of its proper divisors (4298725114).

8194444394 is a wasteful number, since it uses less digits than its factorization.

8194444394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67167640.

The product of its digits is 1990656, while the sum is 50.

The square root of 8194444394 is about 90523.1704813745. The cubic root of 8194444394 is about 2016.0741640236.

The spelling of 8194444394 in words is "eight billion, one hundred ninety-four million, four hundred forty-four thousand, three hundred ninety-four".