242542322563 has 2 divisors, whose sum is σ = 242542322564. Its totient is φ = 242542322562.

The previous prime is 242542322489. The next prime is 242542322591. The reversal of 242542322563 is 365223245242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242542322563 - 2⁹ = 242542322051 is a prime.

It is not a weakly prime, because it can be changed into another prime (242542329563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121271161281 + 121271161282.

It is an arithmetic number, because the mean of its divisors is an integer number (121271161282).

Almost surely, 2^242542322563 is an apocalyptic number.

242542322563 is a deficient number, since it is larger than the sum of its proper divisors (1).

242542322563 is an equidigital number, since it uses as much as digits as its factorization.

242542322563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 40.

The spelling of 242542322563 in words is "two hundred forty-two billion, five hundred forty-two million, three hundred twenty-two thousand, five hundred sixty-three".