242926892189 has 2 divisors, whose sum is σ = 242926892190. Its totient is φ = 242926892188.

The previous prime is 242926892177. The next prime is 242926892249. The reversal of 242926892189 is 981298629242.

It is a happy number.

242926892189 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., 191730136900 + 51196755289 = 437870^2 + 226267^2 .

It is a cyclic number.

It is not a de Polignac number, because 242926892189 - 2²⁰ = 242925843613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242926892389) 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, 121463446094 + 121463446095.

It is an arithmetic number, because the mean of its divisors is an integer number (121463446095).

Almost surely, 2^242926892189 is an apocalyptic number.

It is an amenable number.

242926892189 is a deficient number, since it is larger than the sum of its proper divisors (1).

242926892189 is an equidigital number, since it uses as much as digits as its factorization.

242926892189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 62.

The spelling of 242926892189 in words is "two hundred forty-two billion, nine hundred twenty-six million, eight hundred ninety-two thousand, one hundred eighty-nine".