243460254362441 has 2 divisors, whose sum is σ = 243460254362442. Its totient is φ = 243460254362440.

The previous prime is 243460254362393. The next prime is 243460254362459. The reversal of 243460254362441 is 144263452064342.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232790695950400 + 10669558412041 = 15257480^2 + 3266429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243460254362441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243460254362441.

It is not a weakly prime, because it can be changed into another prime (243460254364441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121730127181220 + 121730127181221.

It is an arithmetic number, because the mean of its divisors is an integer number (121730127181221).

Almost surely, 2^{243460254362441} is an apocalyptic number.

It is an amenable number.

243460254362441 is a deficient number, since it is larger than the sum of its proper divisors (1).

243460254362441 is an equidigital number, since it uses as much as digits as its factorization.

243460254362441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13271040, while the sum is 50.

The spelling of 243460254362441 in words is "two hundred forty-three trillion, four hundred sixty billion, two hundred fifty-four million, three hundred sixty-two thousand, four hundred forty-one".