5471719866 has 12 divisors (see below), whose sum is σ = 11855393082. Its totient is φ = 1823906616.

The previous prime is 5471719859. The next prime is 5471719871. The reversal of 5471719866 is 6689171745.

5471719866 is a `hidden beast` number, since 547 + 1 + 7 + 1 + 98 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5471708841 + 11025 = 73971^2 + 105^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151992201 + ... + 151992236.

Almost surely, 2^5471719866 is an apocalyptic number.

5471719866 is an abundant number, since it is smaller than the sum of its proper divisors (6383673216).

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

5471719866 is a wasteful number, since it uses less digits than its factorization.

5471719866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303984445 (or 303984442 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 5471719866 is about 73971.0745224104. The cubic root of 5471719866 is about 1762.1435515170.

The spelling of 5471719866 in words is "five billion, four hundred seventy-one million, seven hundred nineteen thousand, eight hundred sixty-six".