242243342279 has 2 divisors, whose sum is σ = 242243342280. Its totient is φ = 242243342278.

The previous prime is 242243342197. The next prime is 242243342309. The reversal of 242243342279 is 972243342242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242243342279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242243342879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121121671139 + 121121671140.

It is an arithmetic number, because the mean of its divisors is an integer number (121121671140).

Almost surely, 2^242243342279 is an apocalyptic number.

242243342279 is a deficient number, since it is larger than the sum of its proper divisors (1).

242243342279 is an equidigital number, since it uses as much as digits as its factorization.

242243342279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 44.

The spelling of 242243342279 in words is "two hundred forty-two billion, two hundred forty-three million, three hundred forty-two thousand, two hundred seventy-nine".