402843664063 has 2 divisors, whose sum is σ = 402843664064. Its totient is φ = 402843664062.

The previous prime is 402843664031. The next prime is 402843664121. The reversal of 402843664063 is 360466348204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402843664063 - 2⁵ = 402843664031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402843664463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201421832031 + 201421832032.

It is an arithmetic number, because the mean of its divisors is an integer number (201421832032).

Almost surely, 2^402843664063 is an apocalyptic number.

402843664063 is a deficient number, since it is larger than the sum of its proper divisors (1).

402843664063 is an equidigital number, since it uses as much as digits as its factorization.

402843664063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 402843664063 in words is "four hundred two billion, eight hundred forty-three million, six hundred sixty-four thousand, sixty-three".