243550468097 has 2 divisors, whose sum is σ = 243550468098. Its totient is φ = 243550468096.

The previous prime is 243550468037. The next prime is 243550468121. The reversal of 243550468097 is 790864055342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239535851776 + 4014616321 = 489424^2 + 63361^2 .

It is a cyclic number.

It is not a de Polignac number, because 243550468097 - 2¹⁰ = 243550467073 is a prime.

It is a super-3 number, since 3×243550468097³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (243550468027) 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, 121775234048 + 121775234049.

It is an arithmetic number, because the mean of its divisors is an integer number (121775234049).

Almost surely, 2^243550468097 is an apocalyptic number.

It is an amenable number.

243550468097 is a deficient number, since it is larger than the sum of its proper divisors (1).

243550468097 is an equidigital number, since it uses as much as digits as its factorization.

243550468097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 243550468097 in words is "two hundred forty-three billion, five hundred fifty million, four hundred sixty-eight thousand, ninety-seven".