566546752249 has 9 divisors (see below), whose sum is σ = 571690635789. Its totient is φ = 561448762560.

The previous prime is 566546752241. The next prime is 566546752279. The reversal of 566546752249 is 942257645665.

The square root of 566546752249 is 752693.

It is a perfect power (a square), and thus also a powerful number.

566546752249 is digitally balanced in base 2, 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 4 ways, for example, as 7144475625 + 559402276624 = 84525^2 + 747932^2 .

It is not a de Polignac number, because 566546752249 - 2³ = 566546752241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566546752241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85050979 + ... + 85057639.

Almost surely, 2^566546752249 is an apocalyptic number.

566546752249 is the 752693-rd square number.

566546752249 is the 376347-th centered octagonal number.

It is an amenable number.

566546752249 is a deficient number, since it is larger than the sum of its proper divisors (5143883540).

566546752249 is an frugal number, since it uses more digits than its factorization.

566546752249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13548 (or 6774 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 61.

The spelling of 566546752249 in words is "five hundred sixty-six billion, five hundred forty-six million, seven hundred fifty-two thousand, two hundred forty-nine".