564742620653 has 2 divisors, whose sum is σ = 564742620654. Its totient is φ = 564742620652.

The previous prime is 564742620647. The next prime is 564742620661. The reversal of 564742620653 is 356026247465.

564742620653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363448619689 + 201294000964 = 602867^2 + 448658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564742620653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564742620643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282371310326 + 282371310327.

It is an arithmetic number, because the mean of its divisors is an integer number (282371310327).

Almost surely, 2^564742620653 is an apocalyptic number.

It is an amenable number.

564742620653 is a deficient number, since it is larger than the sum of its proper divisors (1).

564742620653 is an equidigital number, since it uses as much as digits as its factorization.

564742620653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 564742620653 in words is "five hundred sixty-four billion, seven hundred forty-two million, six hundred twenty thousand, six hundred fifty-three".