2143033939 has 2 divisors, whose sum is σ = 2143033940. Its totient is φ = 2143033938.

The previous prime is 2143033903. The next prime is 2143034009. The reversal of 2143033939 is 9393303412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143033939 - 2⁷ = 2143033811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143033898 and 2143033907.

It is not a weakly prime, because it can be changed into another prime (2143033339) 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, 1071516969 + 1071516970.

It is an arithmetic number, because the mean of its divisors is an integer number (1071516970).

Almost surely, 2^2143033939 is an apocalyptic number.

2143033939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143033939 is an equidigital number, since it uses as much as digits as its factorization.

2143033939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 2143033939 is about 46292.9145658383. The cubic root of 2143033939 is about 1289.2674443854.

It can be divided in two parts, 214 and 3033939, that multiplied together give a palindrome (649262946).

The spelling of 2143033939 in words is "two billion, one hundred forty-three million, thirty-three thousand, nine hundred thirty-nine".