243113952877 has 2 divisors, whose sum is σ = 243113952878.
Its totient is φ = 243113952876.
The previous prime is 243113952871. The next prime is 243113952881. The reversal of 243113952877 is 778259311342.
243113952877 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 can be written as a sum of positive squares in only one way, i.e., 231273466281 + 11840486596 = 480909^2 + 108814^2
It is a cyclic number.
It is not a de Polignac number, because 243113952877 - 27 = 243113952749 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (243113952871) 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, 121556976438 + 121556976439.
It is an arithmetic number, because the mean of its divisors is an integer number (121556976439).
Almost surely, 2243113952877 is an apocalyptic number.
It is an amenable number.
243113952877 is a deficient number, since it is larger than the sum of its proper divisors (1).
243113952877 is an equidigital number, since it uses as much as digits as its factorization.
243113952877 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2540160, while the sum is 52.
The spelling of 243113952877 in words is "two hundred forty-three billion, one hundred thirteen million, nine hundred fifty-two thousand, eight hundred seventy-seven".