19944204286 has 8 divisors (see below), whose sum is σ = 29942256384. Its totient is φ = 9963452160.

The previous prime is 19944204283. The next prime is 19944204317. The reversal of 19944204286 is 68240244991.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19944204283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322110 + ... + 4326721.

It is an arithmetic number, because the mean of its divisors is an integer number (3742782048).

Almost surely, 2^19944204286 is an apocalyptic number.

19944204286 is a deficient number, since it is larger than the sum of its proper divisors (9998052098).

19944204286 is a wasteful number, since it uses less digits than its factorization.

19944204286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649986.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 19944204286 in words is "nineteen billion, nine hundred forty-four million, two hundred four thousand, two hundred eighty-six".