6516464347 has 2 divisors, whose sum is σ = 6516464348. Its totient is φ = 6516464346.

The previous prime is 6516464341. The next prime is 6516464387. The reversal of 6516464347 is 7434646156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6516464347 - 2¹¹ = 6516462299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6516464297 and 6516464306.

It is not a weakly prime, because it can be changed into another prime (6516464341) 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, 3258232173 + 3258232174.

It is an arithmetic number, because the mean of its divisors is an integer number (3258232174).

Almost surely, 2^6516464347 is an apocalyptic number.

6516464347 is a deficient number, since it is larger than the sum of its proper divisors (1).

6516464347 is an equidigital number, since it uses as much as digits as its factorization.

6516464347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 46.

The square root of 6516464347 is about 80724.6204512601. The cubic root of 6516464347 is about 1867.8299770015.

The spelling of 6516464347 in words is "six billion, five hundred sixteen million, four hundred sixty-four thousand, three hundred forty-seven".