243440350463 has 2 divisors, whose sum is σ = 243440350464. Its totient is φ = 243440350462.

The previous prime is 243440350459. The next prime is 243440350537. The reversal of 243440350463 is 364053044342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243440350463 - 2² = 243440350459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243440350423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121720175231 + 121720175232.

It is an arithmetic number, because the mean of its divisors is an integer number (121720175232).

Almost surely, 2^243440350463 is an apocalyptic number.

243440350463 is a deficient number, since it is larger than the sum of its proper divisors (1).

243440350463 is an equidigital number, since it uses as much as digits as its factorization.

243440350463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 38.

The spelling of 243440350463 in words is "two hundred forty-three billion, four hundred forty million, three hundred fifty thousand, four hundred sixty-three".