243104213567 has 2 divisors, whose sum is σ = 243104213568. Its totient is φ = 243104213566.

The previous prime is 243104213543. The next prime is 243104213641. The reversal of 243104213567 is 765312401342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243104213567 - 2⁶ = 243104213503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243104213567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243104213507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121552106783 + 121552106784.

It is an arithmetic number, because the mean of its divisors is an integer number (121552106784).

Almost surely, 2^243104213567 is an apocalyptic number.

243104213567 is a deficient number, since it is larger than the sum of its proper divisors (1).

243104213567 is an equidigital number, since it uses as much as digits as its factorization.

243104213567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 243104213567 in words is "two hundred forty-three billion, one hundred four million, two hundred thirteen thousand, five hundred sixty-seven".