564545262543 has 16 divisors (see below), whose sum is σ = 759847253760. Its totient is φ = 372804181056.

The previous prime is 564545262539. The next prime is 564545262559. The reversal of 564545262543 is 345262545465.

It is not a de Polignac number, because 564545262543 - 2² = 564545262539 is a prime.

It is a super-2 number, since 2×564545262543² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564545262503) 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, 2902998 + ... + 3091356.

It is an arithmetic number, because the mean of its divisors is an integer number (47490453360).

Almost surely, 2^564545262543 is an apocalyptic number.

564545262543 is a deficient number, since it is larger than the sum of its proper divisors (195301991217).

564545262543 is a wasteful number, since it uses less digits than its factorization.

564545262543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197806.

The product of its digits is 17280000, while the sum is 51.

The spelling of 564545262543 in words is "five hundred sixty-four billion, five hundred forty-five million, two hundred sixty-two thousand, five hundred forty-three".