242416469 has 2 divisors, whose sum is σ = 242416470. Its totient is φ = 242416468.

The previous prime is 242416451. The next prime is 242416511. The reversal of 242416469 is 964614242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227104900 + 15311569 = 15070^2 + 3913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242416469 is a prime.

It is a super-2 number, since 2×242416469² = 117531488884855922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_13286774 and since 242416469 and 13286774 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242416409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121208234 + 121208235.

It is an arithmetic number, because the mean of its divisors is an integer number (121208235).

Almost surely, 2^242416469 is an apocalyptic number.

It is an amenable number.

242416469 is a deficient number, since it is larger than the sum of its proper divisors (1).

242416469 is an equidigital number, since it uses as much as digits as its factorization.

242416469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 242416469 is about 15569.7292526235. The cubic root of 242416469 is about 623.5252430977.

The spelling of 242416469 in words is "two hundred forty-two million, four hundred sixteen thousand, four hundred sixty-nine".