564544555441 has 16 divisors (see below), whose sum is σ = 609016867200. Its totient is φ = 521559561600.

The previous prime is 564544555439. The next prime is 564544555469. The reversal of 564544555441 is 144555445465.

It is a cyclic number.

It is not a de Polignac number, because 564544555441 - 2¹ = 564544555439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564544555481) 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 15 ways as a sum of consecutive naturals, for example, 1643475 + ... + 1957063.

It is an arithmetic number, because the mean of its divisors is an integer number (38063554200).

Almost surely, 2^564544555441 is an apocalyptic number.

It is an amenable number.

564544555441 is a deficient number, since it is larger than the sum of its proper divisors (44472311759).

564544555441 is a wasteful number, since it uses less digits than its factorization.

564544555441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315960.

The product of its digits is 19200000, while the sum is 52.

The spelling of 564544555441 in words is "five hundred sixty-four billion, five hundred forty-four million, five hundred fifty-five thousand, four hundred forty-one".