566914125969 has 9 divisors (see below), whose sum is σ = 818879222473. Its totient is φ = 377941244772.

The previous prime is 566914125949. The next prime is 566914125991. The reversal of 566914125969 is 969521419665.

The square root of 566914125969 is 752937.

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

566914125969 is a `hidden beast` number, since 56 + 69 + 1 + 412 + 59 + 69 = 666.

566914125969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 566914125969 - 2¹⁷ = 566913994897 is a prime.

It is a super-2 number, since 2×566914125969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (566914125949) 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, 2133322 + ... + 2384300.

Almost surely, 2^566914125969 is an apocalyptic number.

566914125969 is the 752937-th square number.

566914125969 is the 376469-th centered octagonal number.

It is an amenable number.

566914125969 is a deficient number, since it is larger than the sum of its proper divisors (251965096504).

566914125969 is an frugal number, since it uses more digits than its factorization.

566914125969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501964 (or 250982 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The spelling of 566914125969 in words is "five hundred sixty-six billion, nine hundred fourteen million, one hundred twenty-five thousand, nine hundred sixty-nine".