242707669 has 2 divisors, whose sum is σ = 242707670. Its totient is φ = 242707668.

The previous prime is 242707643. The next prime is 242707681. The reversal of 242707669 is 966707242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139948900 + 102758769 = 11830^2 + 10137^2 .

It is a cyclic number.

It is not a de Polignac number, because 242707669 - 2¹¹ = 242705621 is a prime.

It is a super-2 number, since 2×242707669² = 117814025182827122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242707369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121353834 + 121353835.

It is an arithmetic number, because the mean of its divisors is an integer number (121353835).

Almost surely, 2^242707669 is an apocalyptic number.

It is an amenable number.

242707669 is a deficient number, since it is larger than the sum of its proper divisors (1).

242707669 is an equidigital number, since it uses as much as digits as its factorization.

242707669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 242707669 is about 15579.0779252175. The cubic root of 242707669 is about 623.7748107073.

The spelling of 242707669 in words is "two hundred forty-two million, seven hundred seven thousand, six hundred sixty-nine".