243201013963 has 2 divisors, whose sum is σ = 243201013964. Its totient is φ = 243201013962.

The previous prime is 243201013933. The next prime is 243201014047. The reversal of 243201013963 is 369310102342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243201013963 is a prime.

It is not a weakly prime, because it can be changed into another prime (243201013933) 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, 121600506981 + 121600506982.

It is an arithmetic number, because the mean of its divisors is an integer number (121600506982).

Almost surely, 2^243201013963 is an apocalyptic number.

243201013963 is a deficient number, since it is larger than the sum of its proper divisors (1).

243201013963 is an equidigital number, since it uses as much as digits as its factorization.

243201013963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 243201013963 in words is "two hundred forty-three billion, two hundred one million, thirteen thousand, nine hundred sixty-three".