19221039382 has 8 divisors (see below), whose sum is σ = 28938740400. Its totient is φ = 9574792584.

The previous prime is 19221039377. The next prime is 19221039391. The reversal of 19221039382 is 28393012291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17862882 + ... + 17863957.

It is an arithmetic number, because the mean of its divisors is an integer number (3617342550).

Almost surely, 2^19221039382 is an apocalyptic number.

19221039382 is a deficient number, since it is larger than the sum of its proper divisors (9717701018).

19221039382 is a wasteful number, since it uses less digits than its factorization.

19221039382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35727110.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 19221039382 in words is "nineteen billion, two hundred twenty-one million, thirty-nine thousand, three hundred eighty-two".