243441065347 has 2 divisors, whose sum is σ = 243441065348. Its totient is φ = 243441065346.

The previous prime is 243441065323. The next prime is 243441065353. The reversal of 243441065347 is 743560144342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243441065347 is a prime.

It is not a weakly prime, because it can be changed into another prime (243441065317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121720532673 + 121720532674.

It is an arithmetic number, because the mean of its divisors is an integer number (121720532674).

Almost surely, 2^243441065347 is an apocalyptic number.

243441065347 is a deficient number, since it is larger than the sum of its proper divisors (1).

243441065347 is an equidigital number, since it uses as much as digits as its factorization.

243441065347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 243441065347 in words is "two hundred forty-three billion, four hundred forty-one million, sixty-five thousand, three hundred forty-seven".