242442220043 has 2 divisors, whose sum is σ = 242442220044. Its totient is φ = 242442220042.

The previous prime is 242442219997. The next prime is 242442220051. The reversal of 242442220043 is 340022244242.

242442220043 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 242442220043 - 2¹⁸ = 242441957899 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 242442219988 and 242442220015.

It is not a weakly prime, because it can be changed into another prime (242442220073) 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, 121221110021 + 121221110022.

It is an arithmetic number, because the mean of its divisors is an integer number (121221110022).

Almost surely, 2^242442220043 is an apocalyptic number.

242442220043 is a deficient number, since it is larger than the sum of its proper divisors (1).

242442220043 is an equidigital number, since it uses as much as digits as its factorization.

242442220043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 242442220043 its reverse (340022244242), we get a palindrome (582464464285).

The spelling of 242442220043 in words is "two hundred forty-two billion, four hundred forty-two million, two hundred twenty thousand, forty-three".