5263647563 has 2 divisors, whose sum is σ = 5263647564. Its totient is φ = 5263647562.

The previous prime is 5263647541. The next prime is 5263647611. The reversal of 5263647563 is 3657463625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5263647563 - 2⁸ = 5263647307 is a prime.

It is not a weakly prime, because it can be changed into another prime (5263647163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631823781 + 2631823782.

It is an arithmetic number, because the mean of its divisors is an integer number (2631823782).

Almost surely, 2^5263647563 is an apocalyptic number.

5263647563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5263647563 is an equidigital number, since it uses as much as digits as its factorization.

5263647563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 47.

The square root of 5263647563 is about 72550.9997381153. Note that the first 3 decimals coincide. The cubic root of 5263647563 is about 1739.5180286393.

The spelling of 5263647563 in words is "five billion, two hundred sixty-three million, six hundred forty-seven thousand, five hundred sixty-three".