19471212048 has 40 divisors (see below), whose sum is σ = 50405702400. Its totient is φ = 6476846464.

The previous prime is 19471212031. The next prime is 19471212049. The reversal of 19471212048 is 84021217491.

It is a junction number, because it is equal to n+sod(n) for n = 19471211997 and 19471212015.

It is not an unprimeable number, because it can be changed into a prime (19471212049) 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, 400443 + ... + 446426.

It is an arithmetic number, because the mean of its divisors is an integer number (1260142560).

Almost surely, 2^19471212048 is an apocalyptic number.

It is an amenable number.

19471212048 is an abundant number, since it is smaller than the sum of its proper divisors (30934490352).

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

19471212048 is a wasteful number, since it uses less digits than its factorization.

19471212048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847359 (or 847353 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 19471212048 in words is "nineteen billion, four hundred seventy-one million, two hundred twelve thousand, forty-eight".