242002420417 has 2 divisors, whose sum is σ = 242002420418. Its totient is φ = 242002420416.

The previous prime is 242002420411. The next prime is 242002420433. The reversal of 242002420417 is 714024200242.

242002420417 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 can be written as a sum of positive squares in only one way, i.e., 171726531201 + 70275889216 = 414399^2 + 265096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242002420417 is a prime.

It is not a weakly prime, because it can be changed into another prime (242002420411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121001210208 + 121001210209.

It is an arithmetic number, because the mean of its divisors is an integer number (121001210209).

Almost surely, 2^242002420417 is an apocalyptic number.

It is an amenable number.

242002420417 is a deficient number, since it is larger than the sum of its proper divisors (1).

242002420417 is an equidigital number, since it uses as much as digits as its factorization.

242002420417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 242002420417 its reverse (714024200242), we get a palindrome (956026620659).

The spelling of 242002420417 in words is "two hundred forty-two billion, two million, four hundred twenty thousand, four hundred seventeen".