242253244291 has 2 divisors, whose sum is σ = 242253244292. Its totient is φ = 242253244290.

The previous prime is 242253244283. The next prime is 242253244351. The reversal of 242253244291 is 192442352242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242253244291 - 2³ = 242253244283 is a prime.

It is not a weakly prime, because it can be changed into another prime (242253244691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121126622145 + 121126622146.

It is an arithmetic number, because the mean of its divisors is an integer number (121126622146).

Almost surely, 2^242253244291 is an apocalyptic number.

242253244291 is a deficient number, since it is larger than the sum of its proper divisors (1).

242253244291 is an equidigital number, since it uses as much as digits as its factorization.

242253244291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 40.

The spelling of 242253244291 in words is "two hundred forty-two billion, two hundred fifty-three million, two hundred forty-four thousand, two hundred ninety-one".