242435626534243 has 2 divisors, whose sum is σ = 242435626534244. Its totient is φ = 242435626534242.

The previous prime is 242435626534217. The next prime is 242435626534271. The reversal of 242435626534243 is 342435626534242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242435626534243 is a prime.

It is not a weakly prime, because it can be changed into another prime (242435626534043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121217813267121 + 121217813267122.

It is an arithmetic number, because the mean of its divisors is an integer number (121217813267122).

Almost surely, 2^{242435626534243} is an apocalyptic number.

242435626534243 is a deficient number, since it is larger than the sum of its proper divisors (1).

242435626534243 is an equidigital number, since it uses as much as digits as its factorization.

242435626534243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99532800, while the sum is 55.

Subtracting 242435626534243 from its reverse (342435626534242), we obtain a palindrome (99999999999999).

The spelling of 242435626534243 in words is "two hundred forty-two trillion, four hundred thirty-five billion, six hundred twenty-six million, five hundred thirty-four thousand, two hundred forty-three".