564216441064649 has 2 divisors, whose sum is σ = 564216441064650. Its totient is φ = 564216441064648.

The previous prime is 564216441064631. The next prime is 564216441064667. The reversal of 564216441064649 is 946460144612465.

It is a balanced prime because it is at equal distance from previous prime (564216441064631) and next prime (564216441064667).

It can be written as a sum of positive squares in only one way, i.e., 523398308410000 + 40818132654649 = 22877900^2 + 6388907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564216441064649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564216441064591 and 564216441064600.

It is not a weakly prime, because it can be changed into another prime (564216441064699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282108220532324 + 282108220532325.

It is an arithmetic number, because the mean of its divisors is an integer number (282108220532325).

Almost surely, 2^{564216441064649} is an apocalyptic number.

It is an amenable number.

564216441064649 is a deficient number, since it is larger than the sum of its proper divisors (1).

564216441064649 is an equidigital number, since it uses as much as digits as its factorization.

564216441064649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 564216441064649 in words is "five hundred sixty-four trillion, two hundred sixteen billion, four hundred forty-one million, sixty-four thousand, six hundred forty-nine".