505633010563 has 2 divisors, whose sum is σ = 505633010564. Its totient is φ = 505633010562.

The previous prime is 505633010527. The next prime is 505633010609. The reversal of 505633010563 is 365010336505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505633010563 - 2¹⁷ = 505632879491 is a prime.

It is not a weakly prime, because it can be changed into another prime (505633010513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252816505281 + 252816505282.

It is an arithmetic number, because the mean of its divisors is an integer number (252816505282).

Almost surely, 2^505633010563 is an apocalyptic number.

505633010563 is a deficient number, since it is larger than the sum of its proper divisors (1).

505633010563 is an equidigital number, since it uses as much as digits as its factorization.

505633010563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 505633010563 in words is "five hundred five billion, six hundred thirty-three million, ten thousand, five hundred sixty-three".