243042967267 has 2 divisors, whose sum is σ = 243042967268. Its totient is φ = 243042967266.

The previous prime is 243042967231. The next prime is 243042967309. The reversal of 243042967267 is 762769240342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243042967267 - 2¹¹ = 243042965219 is a prime.

It is not a weakly prime, because it can be changed into another prime (243042967067) 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, 121521483633 + 121521483634.

It is an arithmetic number, because the mean of its divisors is an integer number (121521483634).

Almost surely, 2^243042967267 is an apocalyptic number.

243042967267 is a deficient number, since it is larger than the sum of its proper divisors (1).

243042967267 is an equidigital number, since it uses as much as digits as its factorization.

243042967267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 243042967267 in words is "two hundred forty-three billion, forty-two million, nine hundred sixty-seven thousand, two hundred sixty-seven".