564217274643 has 12 divisors (see below), whose sum is σ = 826896942984. Its totient is φ = 341949863200.

The previous prime is 564217274641. The next prime is 564217274683. The reversal of 564217274643 is 346472712465.

It is not a de Polignac number, because 564217274643 - 2¹ = 564217274641 is a prime.

It is a super-2 number, since 2×564217274643² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564217274641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777158418 + ... + 777159143.

It is an arithmetic number, because the mean of its divisors is an integer number (68908078582).

Almost surely, 2^564217274643 is an apocalyptic number.

564217274643 is a deficient number, since it is larger than the sum of its proper divisors (262679668341).

564217274643 is a wasteful number, since it uses less digits than its factorization.

564217274643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554317586 (or 1554317575 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 51.

The spelling of 564217274643 in words is "five hundred sixty-four billion, two hundred seventeen million, two hundred seventy-four thousand, six hundred forty-three".