2143245059 has 2 divisors, whose sum is σ = 2143245060. Its totient is φ = 2143245058.

The previous prime is 2143245043. The next prime is 2143245061. The reversal of 2143245059 is 9505423412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143245059 - 2⁴ = 2143245043 is a prime.

It is a Sophie Germain prime.

Together with 2143245061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2143245079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071622529 + 1071622530.

It is an arithmetic number, because the mean of its divisors is an integer number (1071622530).

Almost surely, 2^2143245059 is an apocalyptic number.

2143245059 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143245059 is an equidigital number, since it uses as much as digits as its factorization.

2143245059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2143245059 is about 46295.1947722439. The cubic root of 2143245059 is about 1289.3097801910.

The spelling of 2143245059 in words is "two billion, one hundred forty-three million, two hundred forty-five thousand, fifty-nine".