6748217239 has 2 divisors, whose sum is σ = 6748217240. Its totient is φ = 6748217238.

The previous prime is 6748217221. The next prime is 6748217351. The reversal of 6748217239 is 9327128476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6748217239 - 2⁷ = 6748217111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6748217192 and 6748217201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6748217219) 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, 3374108619 + 3374108620.

It is an arithmetic number, because the mean of its divisors is an integer number (3374108620).

Almost surely, 2^6748217239 is an apocalyptic number.

6748217239 is a deficient number, since it is larger than the sum of its proper divisors (1).

6748217239 is an equidigital number, since it uses as much as digits as its factorization.

6748217239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 6748217239 is about 82147.5333713679. The cubic root of 6748217239 is about 1889.7151795916.

The spelling of 6748217239 in words is "six billion, seven hundred forty-eight million, two hundred seventeen thousand, two hundred thirty-nine".