6693708073849 has 2 divisors, whose sum is σ = 6693708073850. Its totient is φ = 6693708073848.

The previous prime is 6693708073783. The next prime is 6693708073963. The reversal of 6693708073849 is 9483708073966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6688197684025 + 5510389824 = 2586155^2 + 74232^2 .

It is a cyclic number.

It is not a de Polignac number, because 6693708073849 - 2¹¹ = 6693708071801 is a prime.

It is a super-2 number, since 2×6693708073849² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6693708073049) 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, 3346854036924 + 3346854036925.

It is an arithmetic number, because the mean of its divisors is an integer number (3346854036925).

Almost surely, 2^{6693708073849} is an apocalyptic number.

It is an amenable number.

6693708073849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6693708073849 is an equidigital number, since it uses as much as digits as its factorization.

6693708073849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329204736, while the sum is 70.

The spelling of 6693708073849 in words is "six trillion, six hundred ninety-three billion, seven hundred eight million, seventy-three thousand, eight hundred forty-nine".