242533122389 has 2 divisors, whose sum is σ = 242533122390. Its totient is φ = 242533122388.

The previous prime is 242533122329. The next prime is 242533122413. The reversal of 242533122389 is 983221335242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229455370225 + 13077752164 = 479015^2 + 114358^2 .

It is a cyclic number.

It is not a de Polignac number, because 242533122389 - 2¹² = 242533118293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242533122329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121266561194 + 121266561195.

It is an arithmetic number, because the mean of its divisors is an integer number (121266561195).

Almost surely, 2^242533122389 is an apocalyptic number.

It is an amenable number.

242533122389 is a deficient number, since it is larger than the sum of its proper divisors (1).

242533122389 is an equidigital number, since it uses as much as digits as its factorization.

242533122389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The spelling of 242533122389 in words is "two hundred forty-two billion, five hundred thirty-three million, one hundred twenty-two thousand, three hundred eighty-nine".