19679903112 has 16 divisors (see below), whose sum is σ = 49199757840. Its totient is φ = 6559967696.

The previous prime is 19679903107. The next prime is 19679903119. The reversal of 19679903112 is 21130997691.

It is not an unprimeable number, because it can be changed into a prime (19679903119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409997958 + ... + 409998005.

It is an arithmetic number, because the mean of its divisors is an integer number (3074984865).

Almost surely, 2^19679903112 is an apocalyptic number.

19679903112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19679903112 is an abundant number, since it is smaller than the sum of its proper divisors (29519854728).

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

19679903112 is a wasteful number, since it uses less digits than its factorization.

19679903112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819995972 (or 819995968 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 48.

The spelling of 19679903112 in words is "nineteen billion, six hundred seventy-nine million, nine hundred three thousand, one hundred twelve".