6842286749 has 2 divisors, whose sum is σ = 6842286750. Its totient is φ = 6842286748.

The previous prime is 6842286739. The next prime is 6842286751. The reversal of 6842286749 is 9476822486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6841771225 + 515524 = 82715^2 + 718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6842286749 is a prime.

Together with 6842286751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6842286694 and 6842286703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6842286739) 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, 3421143374 + 3421143375.

It is an arithmetic number, because the mean of its divisors is an integer number (3421143375).

Almost surely, 2^6842286749 is an apocalyptic number.

It is an amenable number.

6842286749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842286749 is an equidigital number, since it uses as much as digits as its factorization.

6842286749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 56.

The square root of 6842286749 is about 82718.1162079988. The cubic root of 6842286749 is about 1898.4555083651.

The spelling of 6842286749 in words is "six billion, eight hundred forty-two million, two hundred eighty-six thousand, seven hundred forty-nine".