242563244219 has 2 divisors, whose sum is σ = 242563244220. Its totient is φ = 242563244218.

The previous prime is 242563244141. The next prime is 242563244233. The reversal of 242563244219 is 912442365242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242563244219 - 2³⁶ = 173843767483 is a prime.

It is a super-2 number, since 2×242563244219² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242563244219.

It is not a weakly prime, because it can be changed into another prime (242563244419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121281622109 + 121281622110.

It is an arithmetic number, because the mean of its divisors is an integer number (121281622110).

Almost surely, 2^242563244219 is an apocalyptic number.

242563244219 is a deficient number, since it is larger than the sum of its proper divisors (1).

242563244219 is an equidigital number, since it uses as much as digits as its factorization.

242563244219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 44.

The spelling of 242563244219 in words is "two hundred forty-two billion, five hundred sixty-three million, two hundred forty-four thousand, two hundred nineteen".