8605134563 has 2 divisors, whose sum is σ = 8605134564. Its totient is φ = 8605134562.

The previous prime is 8605134557. The next prime is 8605134581. The reversal of 8605134563 is 3654315068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8605134563 - 2²² = 8600940259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8605134563.

It is not a weakly prime, because it can be changed into another prime (8605130563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4302567281 + 4302567282.

It is an arithmetic number, because the mean of its divisors is an integer number (4302567282).

Almost surely, 2^8605134563 is an apocalyptic number.

8605134563 is a deficient number, since it is larger than the sum of its proper divisors (1).

8605134563 is an equidigital number, since it uses as much as digits as its factorization.

8605134563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 8605134563 is about 92763.8645324784. The cubic root of 8605134563 is about 2049.2072733486.

The spelling of 8605134563 in words is "eight billion, six hundred five million, one hundred thirty-four thousand, five hundred sixty-three".