243102452035489 has 2 divisors, whose sum is σ = 243102452035490. Its totient is φ = 243102452035488.

The previous prime is 243102452035369. The next prime is 243102452035543. The reversal of 243102452035489 is 984530254201342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221554055934864 + 21548396100625 = 14884692^2 + 4642025^2 .

It is a cyclic number.

It is not a de Polignac number, because 243102452035489 - 2⁹ = 243102452034977 is a prime.

It is not a weakly prime, because it can be changed into another prime (243102452030489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121551226017744 + 121551226017745.

It is an arithmetic number, because the mean of its divisors is an integer number (121551226017745).

Almost surely, 2^{243102452035489} is an apocalyptic number.

It is an amenable number.

243102452035489 is a deficient number, since it is larger than the sum of its proper divisors (1).

243102452035489 is an equidigital number, since it uses as much as digits as its factorization.

243102452035489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 243102452035489 in words is "two hundred forty-three trillion, one hundred two billion, four hundred fifty-two million, thirty-five thousand, four hundred eighty-nine".