19704189422 has 16 divisors (see below), whose sum is σ = 31303567152. Its totient is φ = 9269988480.

The previous prime is 19704189391. The next prime is 19704189433. The reversal of 19704189422 is 22498140791.

It is a congruent number.

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, 46988 + ... + 204000.

It is an arithmetic number, because the mean of its divisors is an integer number (1956472947).

Almost surely, 2^19704189422 is an apocalyptic number.

19704189422 is a deficient number, since it is larger than the sum of its proper divisors (11599377730).

19704189422 is a wasteful number, since it uses less digits than its factorization.

19704189422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160723.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 19704189422 in words is "nineteen billion, seven hundred four million, one hundred eighty-nine thousand, four hundred twenty-two".