19539784482 has 32 divisors (see below), whose sum is σ = 39346171200. Its totient is φ = 6468865728.

The previous prime is 19539784477. The next prime is 19539784483. The reversal of 19539784482 is 28448793591.

It is not an unprimeable number, because it can be changed into a prime (19539784483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443944 + ... + 3449612.

It is an arithmetic number, because the mean of its divisors is an integer number (1229567850).

Almost surely, 2^19539784482 is an apocalyptic number.

19539784482 is an abundant number, since it is smaller than the sum of its proper divisors (19806386718).

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

19539784482 is a wasteful number, since it uses less digits than its factorization.

19539784482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9490.

The product of its digits is 17418240, while the sum is 60.

The spelling of 19539784482 in words is "nineteen billion, five hundred thirty-nine million, seven hundred eighty-four thousand, four hundred eighty-two".