564943395769 has 8 divisors (see below), whose sum is σ = 598327909920. Its totient is φ = 531575831616.

The previous prime is 564943395761. The next prime is 564943395791. The reversal of 564943395769 is 967593349465.

It is a happy number.

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 564943395769 - 2³ = 564943395761 is a prime.

It is a super-2 number, since 2×564943395769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564943395698 and 564943395707.

It is not an unprimeable number, because it can be changed into a prime (564943395761) 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, 4168839 + ... + 4302220.

It is an arithmetic number, because the mean of its divisors is an integer number (74790988740).

Almost surely, 2^564943395769 is an apocalyptic number.

It is an amenable number.

564943395769 is a deficient number, since it is larger than the sum of its proper divisors (33384514151).

564943395769 is a wasteful number, since it uses less digits than its factorization.

564943395769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474999.

The product of its digits is 661348800, while the sum is 70.

The spelling of 564943395769 in words is "five hundred sixty-four billion, nine hundred forty-three million, three hundred ninety-five thousand, seven hundred sixty-nine".