6771065533 has 2 divisors, whose sum is σ = 6771065534. Its totient is φ = 6771065532.

The previous prime is 6771065501. The next prime is 6771065597. The reversal of 6771065533 is 3355601776.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5745336804 + 1025728729 = 75798^2 + 32027^2 .

It is a cyclic number.

It is not a de Polignac number, because 6771065533 - 2⁵ = 6771065501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6771065533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6771065233) 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, 3385532766 + 3385532767.

It is an arithmetic number, because the mean of its divisors is an integer number (3385532767).

Almost surely, 2^6771065533 is an apocalyptic number.

It is an amenable number.

6771065533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6771065533 is an equidigital number, since it uses as much as digits as its factorization.

6771065533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 43.

The square root of 6771065533 is about 82286.4845099121. The cubic root of 6771065533 is about 1891.8455264295.

The spelling of 6771065533 in words is "six billion, seven hundred seventy-one million, sixty-five thousand, five hundred thirty-three".