19471408876 has 12 divisors (see below), whose sum is σ = 34077276072. Its totient is φ = 9735044288.

The previous prime is 19471408837. The next prime is 19471408903. The reversal of 19471408876 is 67880417491.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95410 + ... + 219193.

It is an arithmetic number, because the mean of its divisors is an integer number (2839773006).

Almost surely, 2^19471408876 is an apocalyptic number.

It is an amenable number.

19471408876 is a deficient number, since it is larger than the sum of its proper divisors (14605867196).

19471408876 is a wasteful number, since it uses less digits than its factorization.

19471408876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330080 (or 330078 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 19471408876 in words is "nineteen billion, four hundred seventy-one million, four hundred eight thousand, eight hundred seventy-six".