840465000163 has 2 divisors, whose sum is σ = 840465000164. Its totient is φ = 840465000162.

The previous prime is 840465000161. The next prime is 840465000173. The reversal of 840465000163 is 361000564048.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 840465000163 - 2¹ = 840465000161 is a prime.

Together with 840465000161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (840465000161) 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, 420232500081 + 420232500082.

It is an arithmetic number, because the mean of its divisors is an integer number (420232500082).

Almost surely, 2^840465000163 is an apocalyptic number.

840465000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

840465000163 is an equidigital number, since it uses as much as digits as its factorization.

840465000163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 840465000163 in words is "eight hundred forty billion, four hundred sixty-five million, one hundred sixty-three", and thus it is an aban number.