243010225573 has 2 divisors, whose sum is σ = 243010225574. Its totient is φ = 243010225572.

The previous prime is 243010225487. The next prime is 243010225589. The reversal of 243010225573 is 375522010342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210659886529 + 32350339044 = 458977^2 + 179862^2 .

It is a cyclic number.

It is not a de Polignac number, because 243010225573 - 2²⁵ = 242976671141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243010225273) 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, 121505112786 + 121505112787.

It is an arithmetic number, because the mean of its divisors is an integer number (121505112787).

Almost surely, 2^243010225573 is an apocalyptic number.

It is an amenable number.

243010225573 is a deficient number, since it is larger than the sum of its proper divisors (1).

243010225573 is an equidigital number, since it uses as much as digits as its factorization.

243010225573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 243010225573 in words is "two hundred forty-three billion, ten million, two hundred twenty-five thousand, five hundred seventy-three".