6918828013 has 2 divisors, whose sum is σ = 6918828014. Its totient is φ = 6918828012.

The previous prime is 6918827957. The next prime is 6918828019. The reversal of 6918828013 is 3108288196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6111017929 + 807810084 = 78173^2 + 28422^2 .

It is a cyclic number.

It is not a de Polignac number, because 6918828013 - 2¹³ = 6918819821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6918828019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459414006 + 3459414007.

It is an arithmetic number, because the mean of its divisors is an integer number (3459414007).

Almost surely, 2^6918828013 is an apocalyptic number.

It is an amenable number.

6918828013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6918828013 is an equidigital number, since it uses as much as digits as its factorization.

6918828013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 6918828013 is about 83179.4927431035. The cubic root of 6918828013 is about 1905.5083010161.

The spelling of 6918828013 in words is "six billion, nine hundred eighteen million, eight hundred twenty-eight thousand, thirteen".