563445544381 has 2 divisors, whose sum is σ = 563445544382. Its totient is φ = 563445544380.

The previous prime is 563445544301. The next prime is 563445544411. The reversal of 563445544381 is 183445544365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447515509156 + 115930035225 = 668966^2 + 340485^2 .

It is a cyclic number.

It is not a de Polignac number, because 563445544381 - 2⁷ = 563445544253 is a prime.

It is a super-2 number, since 2×563445544381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563445544301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281722772190 + 281722772191.

It is an arithmetic number, because the mean of its divisors is an integer number (281722772191).

Almost surely, 2^563445544381 is an apocalyptic number.

It is an amenable number.

563445544381 is a deficient number, since it is larger than the sum of its proper divisors (1).

563445544381 is an equidigital number, since it uses as much as digits as its factorization.

563445544381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824000, while the sum is 52.

The spelling of 563445544381 in words is "five hundred sixty-three billion, four hundred forty-five million, five hundred forty-four thousand, three hundred eighty-one".