242241321042397 has 2 divisors, whose sum is σ = 242241321042398. Its totient is φ = 242241321042396.

The previous prime is 242241321042379. The next prime is 242241321042407. The reversal of 242241321042397 is 793240123142242.

Together with previous prime (242241321042379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215063720832601 + 27177600209796 = 14665051^2 + 5213214^2 .

It is a cyclic number.

It is not a de Polignac number, because 242241321042397 - 2¹¹ = 242241321040349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242241321042197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121120660521198 + 121120660521199.

It is an arithmetic number, because the mean of its divisors is an integer number (121120660521199).

Almost surely, 2^{242241321042397} is an apocalyptic number.

It is an amenable number.

242241321042397 is a deficient number, since it is larger than the sum of its proper divisors (1).

242241321042397 is an equidigital number, since it uses as much as digits as its factorization.

242241321042397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 242241321042397 in words is "two hundred forty-two trillion, two hundred forty-one billion, three hundred twenty-one million, forty-two thousand, three hundred ninety-seven".