19381104312 has 32 divisors (see below), whose sum is σ = 48905596800. Its totient is φ = 6399989984.

The previous prime is 19381104311. The next prime is 19381104341. The reversal of 19381104312 is 21340118391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19381104311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3771012 + ... + 3776147.

It is an arithmetic number, because the mean of its divisors is an integer number (1528299900).

Almost surely, 2^19381104312 is an apocalyptic number.

19381104312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19381104312 is an abundant number, since it is smaller than the sum of its proper divisors (29524492488).

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

19381104312 is a wasteful number, since it uses less digits than its factorization.

19381104312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547275 (or 7547271 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 19381104312 in words is "nineteen billion, three hundred eighty-one million, one hundred four thousand, three hundred twelve".