402243243163 has 2 divisors, whose sum is σ = 402243243164. Its totient is φ = 402243243162.

The previous prime is 402243243121. The next prime is 402243243191. The reversal of 402243243163 is 361342342204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402243243163 - 2³³ = 393653308571 is a prime.

It is not a weakly prime, because it can be changed into another prime (402243243113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201121621581 + 201121621582.

It is an arithmetic number, because the mean of its divisors is an integer number (201121621582).

Almost surely, 2^402243243163 is an apocalyptic number.

402243243163 is a deficient number, since it is larger than the sum of its proper divisors (1).

402243243163 is an equidigital number, since it uses as much as digits as its factorization.

402243243163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 402243243163 its reverse (361342342204), we get a palindrome (763585585367).

The spelling of 402243243163 in words is "four hundred two billion, two hundred forty-three million, two hundred forty-three thousand, one hundred sixty-three".