19127481912 has 160 divisors (see below), whose sum is σ = 66794555520. Its totient is φ = 4968164160.

The previous prime is 19127481911. The next prime is 19127481913. The reversal of 19127481912 is 21918472191.

19127481912 is a `hidden beast` number, since 191 + 274 + 8 + 191 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (19127481911) and next prime (19127481913).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19127481911) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 141778 + ... + 241569.

It is an arithmetic number, because the mean of its divisors is an integer number (417465972).

Almost surely, 2^19127481912 is an apocalyptic number.

19127481912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19127481912 is an abundant number, since it is smaller than the sum of its proper divisors (47667073608).

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

19127481912 is a wasteful number, since it uses less digits than its factorization.

19127481912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383383 (or 383370 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The spelling of 19127481912 in words is "nineteen billion, one hundred twenty-seven million, four hundred eighty-one thousand, nine hundred twelve".