563794189689 has 16 divisors (see below), whose sum is σ = 754616865600. Its totient is φ = 374417512896.

The previous prime is 563794189663. The next prime is 563794189703. The reversal of 563794189689 is 986981497365.

It is not a de Polignac number, because 563794189689 - 2⁸ = 563794189433 is a prime.

It is a super-2 number, since 2×563794189689² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 563794189689.

It is not an unprimeable number, because it can be changed into a prime (563794188689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6923122 + ... + 7004084.

It is an arithmetic number, because the mean of its divisors is an integer number (47163554100).

Almost surely, 2^563794189689 is an apocalyptic number.

It is an amenable number.

563794189689 is a deficient number, since it is larger than the sum of its proper divisors (190822675911).

563794189689 is a wasteful number, since it uses less digits than its factorization.

563794189689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89864.

The product of its digits is 705438720, while the sum is 75.

The spelling of 563794189689 in words is "five hundred sixty-three billion, seven hundred ninety-four million, one hundred eighty-nine thousand, six hundred eighty-nine".