4028703689 has 2 divisors, whose sum is σ = 4028703690. Its totient is φ = 4028703688.

The previous prime is 4028703677. The next prime is 4028703691. The reversal of 4028703689 is 9863078204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2860431289 + 1168272400 = 53483^2 + 34180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4028703689 is a prime.

Together with 4028703691, 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 (4028703629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014351844 + 2014351845.

It is an arithmetic number, because the mean of its divisors is an integer number (2014351845).

Almost surely, 2^4028703689 is an apocalyptic number.

It is an amenable number.

4028703689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028703689 is an equidigital number, since it uses as much as digits as its factorization.

4028703689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 4028703689 is about 63472.0701490033. The cubic root of 4028703689 is about 1591.1890278014.

The spelling of 4028703689 in words is "four billion, twenty-eight million, seven hundred three thousand, six hundred eighty-nine".