2163081408823 has 2 divisors, whose sum is σ = 2163081408824. Its totient is φ = 2163081408822.

The previous prime is 2163081408797. The next prime is 2163081408857. The reversal of 2163081408823 is 3288041803612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2163081408823 - 2²⁵ = 2163047854391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163081408023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081540704411 + 1081540704412.

It is an arithmetic number, because the mean of its divisors is an integer number (1081540704412).

Almost surely, 2^{2163081408823} is an apocalyptic number.

2163081408823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163081408823 is an equidigital number, since it uses as much as digits as its factorization.

2163081408823 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 46.

The spelling of 2163081408823 in words is "two trillion, one hundred sixty-three billion, eighty-one million, four hundred eight thousand, eight hundred twenty-three".