19704274554928 has 40 divisors (see below), whose sum is σ = 39209396041712. Its totient is φ = 9585728241408.

The previous prime is 19704274554893. The next prime is 19704274554931. The reversal of 19704274554928 is 82945547240791.

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 7 ways as a sum of consecutive naturals, for example, 51423826 + ... + 51805582.

Almost surely, 2^{19704274554928} is an apocalyptic number.

It is an amenable number.

19704274554928 is a deficient number, since it is larger than the sum of its proper divisors (19505121486784).

19704274554928 is a wasteful number, since it uses less digits than its factorization.

19704274554928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468989 (or 468983 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 67.

The spelling of 19704274554928 in words is "nineteen trillion, seven hundred four billion, two hundred seventy-four million, five hundred fifty-four thousand, nine hundred twenty-eight".