242766521716507 has 2 divisors, whose sum is σ = 242766521716508. Its totient is φ = 242766521716506.

The previous prime is 242766521716351. The next prime is 242766521716529. The reversal of 242766521716507 is 705617125667242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242766521716507 - 2¹⁹ = 242766521192219 is a prime.

It is not a weakly prime, because it can be changed into another prime (242766521716577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121383260858253 + 121383260858254.

It is an arithmetic number, because the mean of its divisors is an integer number (121383260858254).

Almost surely, 2^{242766521716507} is an apocalyptic number.

242766521716507 is a deficient number, since it is larger than the sum of its proper divisors (1).

242766521716507 is an equidigital number, since it uses as much as digits as its factorization.

242766521716507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 242766521716507 in words is "two hundred forty-two trillion, seven hundred sixty-six billion, five hundred twenty-one million, seven hundred sixteen thousand, five hundred seven".