563243630056631 has 2 divisors, whose sum is σ = 563243630056632. Its totient is φ = 563243630056630.

The previous prime is 563243630056567. The next prime is 563243630056717. The reversal of 563243630056631 is 136650036342365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563243630056631 - 2⁶ = 563243630056567 is a prime.

It is a super-2 number, since 2×563243630056631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563243630556631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281621815028315 + 281621815028316.

It is an arithmetic number, because the mean of its divisors is an integer number (281621815028316).

Almost surely, 2^{563243630056631} is an apocalyptic number.

563243630056631 is a deficient number, since it is larger than the sum of its proper divisors (1).

563243630056631 is an equidigital number, since it uses as much as digits as its factorization.

563243630056631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20995200, while the sum is 53.

Adding to 563243630056631 its reverse (136650036342365), we get a palindrome (699893666398996).

The spelling of 563243630056631 in words is "five hundred sixty-three trillion, two hundred forty-three billion, six hundred thirty million, fifty-six thousand, six hundred thirty-one".