6671118313 has 2 divisors, whose sum is σ = 6671118314. Its totient is φ = 6671118312.

The previous prime is 6671118299. The next prime is 6671118353. The reversal of 6671118313 is 3138111766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3412078569 + 3259039744 = 58413^2 + 57088^2 .

It is a cyclic number.

It is not a de Polignac number, because 6671118313 - 2⁹ = 6671117801 is a prime.

It is not a weakly prime, because it can be changed into another prime (6671118353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335559156 + 3335559157.

It is an arithmetic number, because the mean of its divisors is an integer number (3335559157).

Almost surely, 2^6671118313 is an apocalyptic number.

It is an amenable number.

6671118313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671118313 is an equidigital number, since it uses as much as digits as its factorization.

6671118313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 6671118313 is about 81676.9141985665. The cubic root of 6671118313 is about 1882.4908805121.

The spelling of 6671118313 in words is "six billion, six hundred seventy-one million, one hundred eighteen thousand, three hundred thirteen".