19892242245184 has 63 divisors (see below), whose sum is σ = 39605019033771. Its totient is φ = 9913134430080.

The previous prime is 19892242245133. The next prime is 19892242245203. The reversal of 19892242245184 is 48154224229891.

The square root of 19892242245184 is 4460072.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13522937569 + ... + 13522939039.

Almost surely, 2^{19892242245184} is an apocalyptic number.

19892242245184 is the 4460072-nd square number.

It is an amenable number.

19892242245184 is a deficient number, since it is larger than the sum of its proper divisors (19712776788587).

19892242245184 is an frugal number, since it uses more digits than its factorization.

19892242245184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 1852 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 61.

The spelling of 19892242245184 in words is "nineteen trillion, eight hundred ninety-two billion, two hundred forty-two million, two hundred forty-five thousand, one hundred eighty-four".