19738196882 has 4 divisors (see below), whose sum is σ = 29607295326. Its totient is φ = 9869098440.

The previous prime is 19738196869. The next prime is 19738196893. The reversal of 19738196882 is 28869183791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10545030721 + 9193166161 = 102689^2 + 95881^2 .

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 as a sum of consecutive naturals, namely, 4934549219 + ... + 4934549222.

Almost surely, 2^19738196882 is an apocalyptic number.

19738196882 is a deficient number, since it is larger than the sum of its proper divisors (9869098444).

19738196882 is an equidigital number, since it uses as much as digits as its factorization.

19738196882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9869098443.

The product of its digits is 10450944, while the sum is 62.

The spelling of 19738196882 in words is "nineteen billion, seven hundred thirty-eight million, one hundred ninety-six thousand, eight hundred eighty-two".