6771061069 has 2 divisors, whose sum is σ = 6771061070. Its totient is φ = 6771061068.

The previous prime is 6771061051. The next prime is 6771061081. The reversal of 6771061069 is 9601601776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4024252969 + 2746808100 = 63437^2 + 52410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6771061069 - 2²³ = 6762672461 is a prime.

It is a super-2 number, since 2×6771061069² = 91694536000254845522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6771065069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385530534 + 3385530535.

It is an arithmetic number, because the mean of its divisors is an integer number (3385530535).

Almost surely, 2^6771061069 is an apocalyptic number.

It is an amenable number.

6771061069 is a deficient number, since it is larger than the sum of its proper divisors (1).

6771061069 is an equidigital number, since it uses as much as digits as its factorization.

6771061069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 6771061069 is about 82286.4573851615. The cubic root of 6771061069 is about 1891.8451106801.

The spelling of 6771061069 in words is "six billion, seven hundred seventy-one million, sixty-one thousand, sixty-nine".