2143442039 has 2 divisors, whose sum is σ = 2143442040. Its totient is φ = 2143442038.

The previous prime is 2143441999. The next prime is 2143442053. The reversal of 2143442039 is 9302443412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143442039 - 2¹⁶ = 2143376503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143441996 and 2143442014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143412039) 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, 1071721019 + 1071721020.

It is an arithmetic number, because the mean of its divisors is an integer number (1071721020).

Almost surely, 2^2143442039 is an apocalyptic number.

2143442039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143442039 is an equidigital number, since it uses as much as digits as its factorization.

2143442039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2143442039 is about 46297.3221579823. The cubic root of 2143442039 is about 1289.3492780014.

The spelling of 2143442039 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, thirty-nine".