6662743313 has 2 divisors, whose sum is σ = 6662743314. Its totient is φ = 6662743312.

The previous prime is 6662743273. The next prime is 6662743369. The reversal of 6662743313 is 3133472666.

6662743313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5482958209 + 1179785104 = 74047^2 + 34348^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662743313 - 2⁶ = 6662743249 is a prime.

It is not a weakly prime, because it can be changed into another prime (6662743613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331371656 + 3331371657.

It is an arithmetic number, because the mean of its divisors is an integer number (3331371657).

Almost surely, 2^6662743313 is an apocalyptic number.

It is an amenable number.

6662743313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662743313 is an equidigital number, since it uses as much as digits as its factorization.

6662743313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 41.

The square root of 6662743313 is about 81625.6290205472. The cubic root of 6662743313 is about 1881.7027835975.

The spelling of 6662743313 in words is "six billion, six hundred sixty-two million, seven hundred forty-three thousand, three hundred thirteen".