6567934481 has 2 divisors, whose sum is σ = 6567934482. Its totient is φ = 6567934480.

The previous prime is 6567934463. The next prime is 6567934507. The reversal of 6567934481 is 1844397656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502970881 + 64963600 = 80641^2 + 8060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6567934481 is a prime.

It is a super-2 number, since 2×6567934481² = 86275526693417478722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6567934781) 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, 3283967240 + 3283967241.

It is an arithmetic number, because the mean of its divisors is an integer number (3283967241).

Almost surely, 2^6567934481 is an apocalyptic number.

It is an amenable number.

6567934481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6567934481 is an equidigital number, since it uses as much as digits as its factorization.

6567934481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The square root of 6567934481 is about 81042.7941337168. The cubic root of 6567934481 is about 1872.7347559242.

The spelling of 6567934481 in words is "six billion, five hundred sixty-seven million, nine hundred thirty-four thousand, four hundred eighty-one".