6889999559 has 2 divisors, whose sum is σ = 6889999560. Its totient is φ = 6889999558.

The previous prime is 6889999483. The next prime is 6889999579. The reversal of 6889999559 is 9559999886.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6889999559 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6889999559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6889999579) 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, 3444999779 + 3444999780.

It is an arithmetic number, because the mean of its divisors is an integer number (3444999780).

Almost surely, 2^6889999559 is an apocalyptic number.

6889999559 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889999559 is an equidigital number, since it uses as much as digits as its factorization.

6889999559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 566870400, while the sum is 77.

The square root of 6889999559 is about 83006.0212213548. The cubic root of 6889999559 is about 1902.8580770644.

The spelling of 6889999559 in words is "six billion, eight hundred eighty-nine million, nine hundred ninety-nine thousand, five hundred fifty-nine".