242442220193 has 2 divisors, whose sum is σ = 242442220194. Its totient is φ = 242442220192.

The previous prime is 242442220187. The next prime is 242442220219. The reversal of 242442220193 is 391022244242.

242442220193 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., 192573524224 + 49868695969 = 438832^2 + 223313^2 .

It is a cyclic number.

It is not a de Polignac number, because 242442220193 - 2⁶ = 242442220129 is a prime.

It is a super-2 number, since 2×242442220193² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242442220393) 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, 121221110096 + 121221110097.

It is an arithmetic number, because the mean of its divisors is an integer number (121221110097).

Almost surely, 2^242442220193 is an apocalyptic number.

It is an amenable number.

242442220193 is a deficient number, since it is larger than the sum of its proper divisors (1).

242442220193 is an equidigital number, since it uses as much as digits as its factorization.

242442220193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 242442220193 in words is "two hundred forty-two billion, four hundred forty-two million, two hundred twenty thousand, one hundred ninety-three".