6830255557 has 2 divisors, whose sum is σ = 6830255558. Its totient is φ = 6830255556.

The previous prime is 6830255543. The next prime is 6830255567. The reversal of 6830255557 is 7555520386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6204555361 + 625700196 = 78769^2 + 25014^2 .

It is a cyclic number.

It is not a de Polignac number, because 6830255557 - 2⁷ = 6830255429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6830255567) 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, 3415127778 + 3415127779.

It is an arithmetic number, because the mean of its divisors is an integer number (3415127779).

Almost surely, 2^6830255557 is an apocalyptic number.

It is an amenable number.

6830255557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6830255557 is an equidigital number, since it uses as much as digits as its factorization.

6830255557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The square root of 6830255557 is about 82645.3601661944. The cubic root of 6830255557 is about 1897.3421338446.

The spelling of 6830255557 in words is "six billion, eight hundred thirty million, two hundred fifty-five thousand, five hundred fifty-seven".