242490419 has 2 divisors, whose sum is σ = 242490420. Its totient is φ = 242490418.

The previous prime is 242490389. The next prime is 242490439. The reversal of 242490419 is 914094242.

It is a happy number.

242490419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242490419 - 2⁸ = 242490163 is a prime.

It is a super-2 number, since 2×242490419² = 117603206613591122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242490439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121245209 + 121245210.

It is an arithmetic number, because the mean of its divisors is an integer number (121245210).

Almost surely, 2^242490419 is an apocalyptic number.

242490419 is a deficient number, since it is larger than the sum of its proper divisors (1).

242490419 is an equidigital number, since it uses as much as digits as its factorization.

242490419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 242490419 is about 15572.1038719885. The cubic root of 242490419 is about 623.5886395109.

The spelling of 242490419 in words is "two hundred forty-two million, four hundred ninety thousand, four hundred nineteen".