564420043405 has 4 divisors (see below), whose sum is σ = 677304052092. Its totient is φ = 451536034720.

The previous prime is 564420043381. The next prime is 564420043423. The reversal of 564420043405 is 504340024465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66891545956 + 497528497449 = 258634^2 + 705357^2 .

It is not a de Polignac number, because 564420043405 - 2¹¹ = 564420041357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56442004336 + ... + 56442004345.

It is an arithmetic number, because the mean of its divisors is an integer number (169326013023).

Almost surely, 2^564420043405 is an apocalyptic number.

It is an amenable number.

564420043405 is a deficient number, since it is larger than the sum of its proper divisors (112884008687).

564420043405 is a wasteful number, since it uses less digits than its factorization.

564420043405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112884008686.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 564420043405 in words is "five hundred sixty-four billion, four hundred twenty million, forty-three thousand, four hundred five".