6118844657 has 2 divisors, whose sum is σ = 6118844658. Its totient is φ = 6118844656.

The previous prime is 6118844621. The next prime is 6118844671. The reversal of 6118844657 is 7564488116.

6118844657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5928846001 + 189998656 = 76999^2 + 13784^2 .

It is a cyclic number.

It is not a de Polignac number, because 6118844657 - 2⁶ = 6118844593 is a prime.

It is not a weakly prime, because it can be changed into another prime (6112844657) 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, 3059422328 + 3059422329.

It is an arithmetic number, because the mean of its divisors is an integer number (3059422329).

Almost surely, 2^6118844657 is an apocalyptic number.

It is an amenable number.

6118844657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6118844657 is an equidigital number, since it uses as much as digits as its factorization.

6118844657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 50.

The square root of 6118844657 is about 78223.0442836381. The cubic root of 6118844657 is about 1829.0397439559.

The spelling of 6118844657 in words is "six billion, one hundred eighteen million, eight hundred forty-four thousand, six hundred fifty-seven".