243350113189 has 2 divisors, whose sum is σ = 243350113190. Its totient is φ = 243350113188.

The previous prime is 243350113109. The next prime is 243350113213. The reversal of 243350113189 is 981311053342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172418444289 + 70931668900 = 415233^2 + 266330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243350113189 is a prime.

It is a super-2 number, since 2×243350113189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243350113109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121675056594 + 121675056595.

It is an arithmetic number, because the mean of its divisors is an integer number (121675056595).

Almost surely, 2^243350113189 is an apocalyptic number.

It is an amenable number.

243350113189 is a deficient number, since it is larger than the sum of its proper divisors (1).

243350113189 is an equidigital number, since it uses as much as digits as its factorization.

243350113189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 243350113189 in words is "two hundred forty-three billion, three hundred fifty million, one hundred thirteen thousand, one hundred eighty-nine".