2165143039 has 2 divisors, whose sum is σ = 2165143040. Its totient is φ = 2165143038.

The previous prime is 2165143037. The next prime is 2165143049. The reversal of 2165143039 is 9303415612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2165143039 - 2¹ = 2165143037 is a prime.

Together with 2165143037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2165142995 and 2165143013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2165143033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082571519 + 1082571520.

It is an arithmetic number, because the mean of its divisors is an integer number (1082571520).

Almost surely, 2^2165143039 is an apocalyptic number.

2165143039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165143039 is an equidigital number, since it uses as much as digits as its factorization.

2165143039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 2165143039 is about 46531.0975477691. The cubic root of 2165143039 is about 1293.6859583724.

The spelling of 2165143039 in words is "two billion, one hundred sixty-five million, one hundred forty-three thousand, thirty-nine".