242563244141 has 2 divisors, whose sum is σ = 242563244142. Its totient is φ = 242563244140.

The previous prime is 242563244137. The next prime is 242563244219. The reversal of 242563244141 is 141442365242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184946442916 + 57616801225 = 430054^2 + 240035^2 .

It is a cyclic number.

It is not a de Polignac number, because 242563244141 - 2² = 242563244137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242563244095 and 242563244104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242563244041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121281622070 + 121281622071.

It is an arithmetic number, because the mean of its divisors is an integer number (121281622071).

Almost surely, 2^242563244141 is an apocalyptic number.

It is an amenable number.

242563244141 is a deficient number, since it is larger than the sum of its proper divisors (1).

242563244141 is an equidigital number, since it uses as much as digits as its factorization.

242563244141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 38.

The spelling of 242563244141 in words is "two hundred forty-two billion, five hundred sixty-three million, two hundred forty-four thousand, one hundred forty-one".