242836668629 has 2 divisors, whose sum is σ = 242836668630. Its totient is φ = 242836668628.

The previous prime is 242836668559. The next prime is 242836668647. The reversal of 242836668629 is 926866638242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242561175025 + 275493604 = 492505^2 + 16598^2 .

It is a cyclic number.

It is not a de Polignac number, because 242836668629 - 2¹² = 242836664533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242836667629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121418334314 + 121418334315.

It is an arithmetic number, because the mean of its divisors is an integer number (121418334315).

Almost surely, 2^242836668629 is an apocalyptic number.

It is an amenable number.

242836668629 is a deficient number, since it is larger than the sum of its proper divisors (1).

242836668629 is an equidigital number, since it uses as much as digits as its factorization.

242836668629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71663616, while the sum is 62.

The spelling of 242836668629 in words is "two hundred forty-two billion, eight hundred thirty-six million, six hundred sixty-eight thousand, six hundred twenty-nine".