243416633443 has 2 divisors, whose sum is σ = 243416633444. Its totient is φ = 243416633442.

The previous prime is 243416633357. The next prime is 243416633503. The reversal of 243416633443 is 344336614342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243416633443 - 2⁹ = 243416632931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243416633443.

It is not a weakly prime, because it can be changed into another prime (243416634443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121708316721 + 121708316722.

It is an arithmetic number, because the mean of its divisors is an integer number (121708316722).

Almost surely, 2^243416633443 is an apocalyptic number.

243416633443 is a deficient number, since it is larger than the sum of its proper divisors (1).

243416633443 is an equidigital number, since it uses as much as digits as its factorization.

243416633443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 43.

The spelling of 243416633443 in words is "two hundred forty-three billion, four hundred sixteen million, six hundred thirty-three thousand, four hundred forty-three".