5217463809 has 6 divisors (see below), whose sum is σ = 7536336626. Its totient is φ = 3478309200.

The previous prime is 5217463807. The next prime is 5217463831. The reversal of 5217463809 is 9083647125.

5217463809 is a `hidden beast` number, since 5 + 2 + 1 + 7 + 4 + 638 + 0 + 9 = 666.

5217463809 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4862970225 + 354493584 = 69735^2 + 18828^2 .

It is not a de Polignac number, because 5217463809 - 2¹ = 5217463807 is a prime.

It is a Duffinian number.

5217463809 is strictly pandigital in base 10.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5217463807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289859092 + ... + 289859109.

It is a 1-persistent number, because it is pandigital, but 2⋅5217463809 = 10434927618 is not.

Almost surely, 2^5217463809 is an apocalyptic number.

It is an amenable number.

5217463809 is a deficient number, since it is larger than the sum of its proper divisors (2318872817).

5217463809 is a wasteful number, since it uses less digits than its factorization.

5217463809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579718207 (or 579718204 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 5217463809 is about 72232.0137404461. The cubic root of 5217463809 is about 1734.4155094741.

The spelling of 5217463809 in words is "five billion, two hundred seventeen million, four hundred sixty-three thousand, eight hundred nine".