19478930112 has 112 divisors (see below), whose sum is σ = 60278467200. Its totient is φ = 6151230720.

The previous prime is 19478930083. The next prime is 19478930153. The reversal of 19478930112 is 21103987491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263814 + ... + 329477.

It is an arithmetic number, because the mean of its divisors is an integer number (538200600).

Almost surely, 2^19478930112 is an apocalyptic number.

19478930112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19478930112 is an abundant number, since it is smaller than the sum of its proper divisors (40799537088).

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

19478930112 is a wasteful number, since it uses less digits than its factorization.

19478930112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593331 (or 593315 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 19478930112 in words is "nineteen billion, four hundred seventy-eight million, nine hundred thirty thousand, one hundred twelve".