2163286789 has 2 divisors, whose sum is σ = 2163286790. Its totient is φ = 2163286788.

The previous prime is 2163286787. The next prime is 2163286793. The reversal of 2163286789 is 9876823612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1667333889 + 495952900 = 40833^2 + 22270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163286789 - 2¹ = 2163286787 is a prime.

Together with 2163286787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163286787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081643394 + 1081643395.

It is an arithmetic number, because the mean of its divisors is an integer number (1081643395).

Almost surely, 2^2163286789 is an apocalyptic number.

It is an amenable number.

2163286789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163286789 is an equidigital number, since it uses as much as digits as its factorization.

2163286789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 2163286789 is about 46511.1469327515. The cubic root of 2163286789 is about 1293.3161458300.

The spelling of 2163286789 in words is "two billion, one hundred sixty-three million, two hundred eighty-six thousand, seven hundred eighty-nine".