6873845513 has 2 divisors, whose sum is σ = 6873845514. Its totient is φ = 6873845512.

The previous prime is 6873845497. The next prime is 6873845599. The reversal of 6873845513 is 3155483786.

6873845513 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., 6011366089 + 862479424 = 77533^2 + 29368^2 .

It is a cyclic number.

It is not a de Polignac number, because 6873845513 - 2⁴ = 6873845497 is a prime.

It is not a weakly prime, because it can be changed into another prime (6873845813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436922756 + 3436922757.

It is an arithmetic number, because the mean of its divisors is an integer number (3436922757).

Almost surely, 2^6873845513 is an apocalyptic number.

It is an amenable number.

6873845513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6873845513 is an equidigital number, since it uses as much as digits as its factorization.

6873845513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 50.

The square root of 6873845513 is about 82908.6576480406. The cubic root of 6873845513 is about 1901.3697890484.

The spelling of 6873845513 in words is "six billion, eight hundred seventy-three million, eight hundred forty-five thousand, five hundred thirteen".