4243402442291 has 2 divisors, whose sum is σ = 4243402442292. Its totient is φ = 4243402442290.

The previous prime is 4243402442231. The next prime is 4243402442329. The reversal of 4243402442291 is 1922442043424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243402442291 is a prime.

It is not a weakly prime, because it can be changed into another prime (4243402442231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121701221145 + 2121701221146.

It is an arithmetic number, because the mean of its divisors is an integer number (2121701221146).

Almost surely, 2^{4243402442291} is an apocalyptic number.

4243402442291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243402442291 is an equidigital number, since it uses as much as digits as its factorization.

4243402442291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 4243402442291 in words is "four trillion, two hundred forty-three billion, four hundred two million, four hundred forty-two thousand, two hundred ninety-one".