2143313863 has 2 divisors, whose sum is σ = 2143313864. Its totient is φ = 2143313862.

The previous prime is 2143313833. The next prime is 2143313927. The reversal of 2143313863 is 3683133412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143313863 - 2⁵ = 2143313831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143313833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071656931 + 1071656932.

It is an arithmetic number, because the mean of its divisors is an integer number (1071656932).

Almost surely, 2^2143313863 is an apocalyptic number.

2143313863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143313863 is an equidigital number, since it uses as much as digits as its factorization.

2143313863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 2143313863 is about 46295.9378671607. The cubic root of 2143313863 is about 1289.3235768278.

The spelling of 2143313863 in words is "two billion, one hundred forty-three million, three hundred thirteen thousand, eight hundred sixty-three".