19738347441796 has 27 divisors (see below), whose sum is σ = 34765979942799. Its totient is φ = 9805619667168.

The previous prime is 19738347441719. The next prime is 19738347441821. The reversal of 19738347441796 is 69714474383791.

The square root of 19738347441796 is 4442786.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1943988832900 + 17794358608896 = 1394270^2 + 4218336^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1395027730 + ... + 1395041878.

Almost surely, 2^{19738347441796} is an apocalyptic number.

19738347441796 is the 4442786-th square number.

It is an amenable number.

19738347441796 is a deficient number, since it is larger than the sum of its proper divisors (15027632501003).

19738347441796 is an frugal number, since it uses more digits than its factorization.

19738347441796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28616 (or 14308 counting only the distinct ones).

The product of its digits is 768144384, while the sum is 73.

It can be divided in two parts, 1973834 and 7441796, that added together give a triangular number (9415630 = T₄₃₃₉).

The spelling of 19738347441796 in words is "nineteen trillion, seven hundred thirty-eight billion, three hundred forty-seven million, four hundred forty-one thousand, seven hundred ninety-six".