564843020315213 has 4 divisors (see below), whose sum is σ = 564850508003100. Its totient is φ = 564835532627328.

The previous prime is 564843020315183. The next prime is 564843020315257. The reversal of 564843020315213 is 312513020348465.

It is a happy number.

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 554297946122089 + 10545074193124 = 23543533^2 + 3247318^2 .

It is a cyclic number.

It is not a de Polignac number, because 564843020315213 - 2¹⁰ = 564843020314189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564843020315263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3743730788 + ... + 3743881661.

It is an arithmetic number, because the mean of its divisors is an integer number (141212627000775).

Almost surely, 2^{564843020315213} is an apocalyptic number.

It is an amenable number.

564843020315213 is a deficient number, since it is larger than the sum of its proper divisors (7487687887).

564843020315213 is an equidigital number, since it uses as much as digits as its factorization.

564843020315213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487687886.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 564843020315213 in words is "five hundred sixty-four trillion, eight hundred forty-three billion, twenty million, three hundred fifteen thousand, two hundred thirteen".