242419867 has 2 divisors, whose sum is σ = 242419868. Its totient is φ = 242419866.

The previous prime is 242419861. The next prime is 242419909. The reversal of 242419867 is 768914242.

242419867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242419867 - 2⁷ = 242419739 is a prime.

It is not a weakly prime, because it can be changed into another prime (242419861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121209933 + 121209934.

It is an arithmetic number, because the mean of its divisors is an integer number (121209934).

Almost surely, 2^242419867 is an apocalyptic number.

242419867 is a deficient number, since it is larger than the sum of its proper divisors (1).

242419867 is an equidigital number, since it uses as much as digits as its factorization.

242419867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 242419867 is about 15569.8383742414. The cubic root of 242419867 is about 623.5281564433.

The spelling of 242419867 in words is "two hundred forty-two million, four hundred nineteen thousand, eight hundred sixty-seven".