243110423249 has 2 divisors, whose sum is σ = 243110423250. Its totient is φ = 243110423248.

The previous prime is 243110423183. The next prime is 243110423273. The reversal of 243110423249 is 942324011342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157881459649 + 85228963600 = 397343^2 + 291940^2 .

It is a cyclic number.

It is not a de Polignac number, because 243110423249 - 2²⁸ = 242841987793 is a prime.

It is not a weakly prime, because it can be changed into another prime (243110423749) 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, 121555211624 + 121555211625.

It is an arithmetic number, because the mean of its divisors is an integer number (121555211625).

Almost surely, 2^243110423249 is an apocalyptic number.

It is an amenable number.

243110423249 is a deficient number, since it is larger than the sum of its proper divisors (1).

243110423249 is an equidigital number, since it uses as much as digits as its factorization.

243110423249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 243110423249 in words is "two hundred forty-three billion, one hundred ten million, four hundred twenty-three thousand, two hundred forty-nine".