6758259449 has 2 divisors, whose sum is σ = 6758259450. Its totient is φ = 6758259448.

The previous prime is 6758259433. The next prime is 6758259461. The reversal of 6758259449 is 9449528576.

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., 3873817600 + 2884441849 = 62240^2 + 53707^2 .

It is a cyclic number.

It is not a de Polignac number, because 6758259449 - 2⁴ = 6758259433 is a prime.

It is not a weakly prime, because it can be changed into another prime (6758259049) 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, 3379129724 + 3379129725.

It is an arithmetic number, because the mean of its divisors is an integer number (3379129725).

Almost surely, 2^6758259449 is an apocalyptic number.

It is an amenable number.

6758259449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6758259449 is an equidigital number, since it uses as much as digits as its factorization.

6758259449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 59.

The square root of 6758259449 is about 82208.6336645975. The cubic root of 6758259449 is about 1890.6520942570.

The spelling of 6758259449 in words is "six billion, seven hundred fifty-eight million, two hundred fifty-nine thousand, four hundred forty-nine".