566813934905 has 8 divisors (see below), whose sum is σ = 681286312392. Its totient is φ = 452711420928.

The previous prime is 566813934901. The next prime is 566813934917. The reversal of 566813934905 is 509439318665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 652495936 + 566161438969 = 25544^2 + 752437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 566813934905 - 2² = 566813934901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566813934901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92462504 + ... + 92468633.

It is an arithmetic number, because the mean of its divisors is an integer number (85160789049).

Almost surely, 2^566813934905 is an apocalyptic number.

It is an amenable number.

566813934905 is a deficient number, since it is larger than the sum of its proper divisors (114472377487).

566813934905 is a wasteful number, since it uses less digits than its factorization.

566813934905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184931755.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 566813934905 in words is "five hundred sixty-six billion, eight hundred thirteen million, nine hundred thirty-four thousand, nine hundred five".