564216463245481 has 2 divisors, whose sum is σ = 564216463245482. Its totient is φ = 564216463245480.

The previous prime is 564216463245403. The next prime is 564216463245511. The reversal of 564216463245481 is 184542364612465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446135293267225 + 118081169978256 = 21121915^2 + 10866516^2 .

It is a cyclic number.

It is not a de Polignac number, because 564216463245481 - 2⁷ = 564216463245353 is a prime.

It is a super-2 number, since 2×564216463245481² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564216463245581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282108231622740 + 282108231622741.

It is an arithmetic number, because the mean of its divisors is an integer number (282108231622741).

Almost surely, 2^{564216463245481} is an apocalyptic number.

It is an amenable number.

564216463245481 is a deficient number, since it is larger than the sum of its proper divisors (1).

564216463245481 is an equidigital number, since it uses as much as digits as its factorization.

564216463245481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132710400, while the sum is 61.

The spelling of 564216463245481 in words is "five hundred sixty-four trillion, two hundred sixteen billion, four hundred sixty-three million, two hundred forty-five thousand, four hundred eighty-one".