566447409 has 12 divisors (see below), whose sum is σ = 892583952. Its totient is φ = 343301400.

The previous prime is 566447389. The next prime is 566447419. The reversal of 566447409 is 904744665.

566447409 is a `hidden beast` number, since 566 + 4 + 47 + 40 + 9 = 666.

It is not a de Polignac number, because 566447409 - 2¹² = 566443313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (566447419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2860747 + ... + 2860944.

It is an arithmetic number, because the mean of its divisors is an integer number (74381996).

Almost surely, 2^566447409 is an apocalyptic number.

It is an amenable number.

566447409 is a deficient number, since it is larger than the sum of its proper divisors (326136543).

566447409 is a wasteful number, since it uses less digits than its factorization.

566447409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721708 (or 5721705 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 566447409 is about 23800.1556507515. The cubic root of 566447409 is about 827.4082842708.

The spelling of 566447409 in words is "five hundred sixty-six million, four hundred forty-seven thousand, four hundred nine".