2186468863 has 2 divisors, whose sum is σ = 2186468864. Its totient is φ = 2186468862.

The previous prime is 2186468831. The next prime is 2186468881. The reversal of 2186468863 is 3688646812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2186468863 - 2⁵ = 2186468831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2186468863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2186460863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093234431 + 1093234432.

It is an arithmetic number, because the mean of its divisors is an integer number (1093234432).

Almost surely, 2^2186468863 is an apocalyptic number.

2186468863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2186468863 is an equidigital number, since it uses as much as digits as its factorization.

2186468863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2654208, while the sum is 52.

The square root of 2186468863 is about 46759.6927171255. The cubic root of 2186468863 is about 1297.9195249184.

The spelling of 2186468863 in words is "two billion, one hundred eighty-six million, four hundred sixty-eight thousand, eight hundred sixty-three".