63430508563 has 2 divisors, whose sum is σ = 63430508564. Its totient is φ = 63430508562.

The previous prime is 63430508551. The next prime is 63430508587. The reversal of 63430508563 is 36580503436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63430508563 is a prime.

It is not a weakly prime, because it can be changed into another prime (63430508503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31715254281 + 31715254282.

It is an arithmetic number, because the mean of its divisors is an integer number (31715254282).

Almost surely, 2^63430508563 is an apocalyptic number.

63430508563 is a deficient number, since it is larger than the sum of its proper divisors (1).

63430508563 is an equidigital number, since it uses as much as digits as its factorization.

63430508563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 63430508563 in words is "sixty-three billion, four hundred thirty million, five hundred eight thousand, five hundred sixty-three".