243015002205473 has 2 divisors, whose sum is σ = 243015002205474. Its totient is φ = 243015002205472.

The previous prime is 243015002205467. The next prime is 243015002205491. The reversal of 243015002205473 is 374502200510342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242991106301584 + 23895903889 = 15588172^2 + 154583^2 .

It is a cyclic number.

It is not a de Polignac number, because 243015002205473 - 2⁴ = 243015002205457 is a prime.

It is a super-2 number, since 2×243015002205473² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243015002205413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121507501102736 + 121507501102737.

It is an arithmetic number, because the mean of its divisors is an integer number (121507501102737).

Almost surely, 2^{243015002205473} is an apocalyptic number.

It is an amenable number.

243015002205473 is a deficient number, since it is larger than the sum of its proper divisors (1).

243015002205473 is an equidigital number, since it uses as much as digits as its factorization.

243015002205473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 243015002205473 in words is "two hundred forty-three trillion, fifteen billion, two million, two hundred five thousand, four hundred seventy-three".