242866769 has 2 divisors, whose sum is σ = 242866770. Its totient is φ = 242866768.

The previous prime is 242866763. The next prime is 242866783. The reversal of 242866769 is 967668242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236790544 + 6076225 = 15388^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 242866769 - 2¹² = 242862673 is a prime.

It is a super-2 number, since 2×242866769² = 117968534968998722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242866763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121433384 + 121433385.

It is an arithmetic number, because the mean of its divisors is an integer number (121433385).

Almost surely, 2^242866769 is an apocalyptic number.

It is an amenable number.

242866769 is a deficient number, since it is larger than the sum of its proper divisors (1).

242866769 is an equidigital number, since it uses as much as digits as its factorization.

242866769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 242866769 is about 15584.1832958933. The cubic root of 242866769 is about 623.9110801207.

The spelling of 242866769 in words is "two hundred forty-two million, eight hundred sixty-six thousand, seven hundred sixty-nine".