6713320513 has 2 divisors, whose sum is σ = 6713320514. Its totient is φ = 6713320512.

The previous prime is 6713320499. The next prime is 6713320543. The reversal of 6713320513 is 3150233176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3867844864 + 2845475649 = 62192^2 + 53343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6713320513 is a prime.

It is not a weakly prime, because it can be changed into another prime (6713320543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3356660256 + 3356660257.

It is an arithmetic number, because the mean of its divisors is an integer number (3356660257).

Almost surely, 2^6713320513 is an apocalyptic number.

It is an amenable number.

6713320513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6713320513 is an equidigital number, since it uses as much as digits as its factorization.

6713320513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 6713320513 is about 81934.8552998051. The cubic root of 6713320513 is about 1886.4521512143.

Adding to 6713320513 its reverse (3150233176), we get a palindrome (9863553689).

The spelling of 6713320513 in words is "six billion, seven hundred thirteen million, three hundred twenty thousand, five hundred thirteen".