6696028439 has 2 divisors, whose sum is σ = 6696028440. Its totient is φ = 6696028438.

The previous prime is 6696028429. The next prime is 6696028453. The reversal of 6696028439 is 9348206966.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6696028439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6696028429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348014219 + 3348014220.

It is an arithmetic number, because the mean of its divisors is an integer number (3348014220).

Almost surely, 2^6696028439 is an apocalyptic number.

6696028439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696028439 is an equidigital number, since it uses as much as digits as its factorization.

6696028439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The square root of 6696028439 is about 81829.2639524516. The cubic root of 6696028439 is about 1884.8310598219.

The spelling of 6696028439 in words is "six billion, six hundred ninety-six million, twenty-eight thousand, four hundred thirty-nine".