242836668559 has 2 divisors, whose sum is σ = 242836668560. Its totient is φ = 242836668558.

The previous prime is 242836668553. The next prime is 242836668629. The reversal of 242836668559 is 955866638242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242836668559 - 2⁹ = 242836668047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242836668559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242836668553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121418334279 + 121418334280.

It is an arithmetic number, because the mean of its divisors is an integer number (121418334280).

Almost surely, 2^242836668559 is an apocalyptic number.

242836668559 is a deficient number, since it is larger than the sum of its proper divisors (1).

242836668559 is an equidigital number, since it uses as much as digits as its factorization.

242836668559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 149299200, while the sum is 64.

The spelling of 242836668559 in words is "two hundred forty-two billion, eight hundred thirty-six million, six hundred sixty-eight thousand, five hundred fifty-nine".