19968383552 has 56 divisors (see below), whose sum is σ = 42690263616. Its totient is φ = 9212410368.

The previous prime is 19968383551. The next prime is 19968383557. The reversal of 19968383552 is 25538386991.

It is a junction number, because it is equal to n+sod(n) for n = 19968383491 and 19968383500.

It is not an unprimeable number, because it can be changed into a prime (19968383551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3877043 + ... + 3882189.

It is an arithmetic number, because the mean of its divisors is an integer number (762326136).

Almost surely, 2^19968383552 is an apocalyptic number.

It is an amenable number.

19968383552 is an abundant number, since it is smaller than the sum of its proper divisors (22721880064).

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

19968383552 is a wasteful number, since it uses less digits than its factorization.

19968383552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835 (or 9825 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 59.

The spelling of 19968383552 in words is "nineteen billion, nine hundred sixty-eight million, three hundred eighty-three thousand, five hundred fifty-two".