6271328513 has 2 divisors, whose sum is σ = 6271328514. Its totient is φ = 6271328512.

The previous prime is 6271328491. The next prime is 6271328549. The reversal of 6271328513 is 3158231726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6076670209 + 194658304 = 77953^2 + 13952^2 .

It is a cyclic number.

It is not a de Polignac number, because 6271328513 - 2³⁰ = 5197586689 is a prime.

It is a super-2 number, since 2×6271328513² = 78659122635933582338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6271328813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3135664256 + 3135664257.

It is an arithmetic number, because the mean of its divisors is an integer number (3135664257).

Almost surely, 2^6271328513 is an apocalyptic number.

It is an amenable number.

6271328513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6271328513 is an equidigital number, since it uses as much as digits as its factorization.

6271328513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 6271328513 is about 79191.7199775330. The cubic root of 6271328513 is about 1844.1087013786.

The spelling of 6271328513 in words is "six billion, two hundred seventy-one million, three hundred twenty-eight thousand, five hundred thirteen".