566473509 has 48 divisors (see below), whose sum is σ = 1007345664. Its totient is φ = 299613600.

The previous prime is 566473499. The next prime is 566473513. The reversal of 566473509 is 905374665.

It is not a de Polignac number, because 566473509 - 2⁴ = 566473493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566473009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38614 + ... + 51224.

It is an arithmetic number, because the mean of its divisors is an integer number (20986368).

Almost surely, 2^566473509 is an apocalyptic number.

It is an amenable number.

566473509 is a deficient number, since it is larger than the sum of its proper divisors (440872155).

566473509 is a wasteful number, since it uses less digits than its factorization.

566473509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12678 (or 12675 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 566473509 is about 23800.7039601773. The cubic root of 566473509 is about 827.4209921434.

The spelling of 566473509 in words is "five hundred sixty-six million, four hundred seventy-three thousand, five hundred nine".