19384330442 has 16 divisors (see below), whose sum is σ = 31594156800. Its totient is φ = 8885855520.

The previous prime is 19384330439. The next prime is 19384330477. The reversal of 19384330442 is 24403348391.

It is a self number, because there is not a number n which added to its sum of digits gives 19384330442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226467 + ... + 8228822.

It is an arithmetic number, because the mean of its divisors is an integer number (1974634800).

Almost surely, 2^19384330442 is an apocalyptic number.

19384330442 is a deficient number, since it is larger than the sum of its proper divisors (12209826358).

19384330442 is a wasteful number, since it uses less digits than its factorization.

19384330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16455341.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 19384330442 in words is "nineteen billion, three hundred eighty-four million, three hundred thirty thousand, four hundred forty-two".