563440120662553 has 2 divisors, whose sum is σ = 563440120662554. Its totient is φ = 563440120662552.

The previous prime is 563440120662491. The next prime is 563440120662563. The reversal of 563440120662553 is 355266021044365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307758357699849 + 255681762962704 = 17543043^2 + 15990052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563440120662553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563440120662553.

It is not a weakly prime, because it can be changed into another prime (563440120662563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281720060331276 + 281720060331277.

It is an arithmetic number, because the mean of its divisors is an integer number (281720060331277).

Almost surely, 2^{563440120662553} is an apocalyptic number.

It is an amenable number.

563440120662553 is a deficient number, since it is larger than the sum of its proper divisors (1).

563440120662553 is an equidigital number, since it uses as much as digits as its factorization.

563440120662553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 563440120662553 in words is "five hundred sixty-three trillion, four hundred forty billion, one hundred twenty million, six hundred sixty-two thousand, five hundred fifty-three".