564216441064663 has 4 divisors (see below), whose sum is σ = 564287563780408. Its totient is φ = 564145318348920.

The previous prime is 564216441064649. The next prime is 564216441064667. The reversal of 564216441064663 is 366460144612465.

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

It is a cyclic number.

It is not a de Polignac number, because 564216441064663 - 2⁵ = 564216441064631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564216441064598 and 564216441064607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564216441064667) 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, 35561345973 + ... + 35561361838.

It is an arithmetic number, because the mean of its divisors is an integer number (141071890945102).

Almost surely, 2^{564216441064663} is an apocalyptic number.

564216441064663 is a deficient number, since it is larger than the sum of its proper divisors (71122715745).

564216441064663 is an equidigital number, since it uses as much as digits as its factorization.

564216441064663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71122715744.

The product of its (nonzero) digits is 59719680, while the sum is 58.

The spelling of 564216441064663 in words is "five hundred sixty-four trillion, two hundred sixteen billion, four hundred forty-one million, sixty-four thousand, six hundred sixty-three".