19969184385748 has 48 divisors (see below), whose sum is σ = 41580532707840. Its totient is φ = 8297249140224.

The previous prime is 19969184385743. The next prime is 19969184385751. The reversal of 19969184385748 is 84758348196991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19969184385743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 491057388 + ... + 491098051.

It is an arithmetic number, because the mean of its divisors is an integer number (866261098080).

Almost surely, 2^{19969184385748} is an apocalyptic number.

It is an amenable number.

19969184385748 is an abundant number, since it is smaller than the sum of its proper divisors (21611348322092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19969184385748 is a wasteful number, since it uses less digits than its factorization.

19969184385748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982155496 (or 982155494 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 82.

The spelling of 19969184385748 in words is "nineteen trillion, nine hundred sixty-nine billion, one hundred eighty-four million, three hundred eighty-five thousand, seven hundred forty-eight".