6761771693 has 2 divisors, whose sum is σ = 6761771694. Its totient is φ = 6761771692.

The previous prime is 6761771671. The next prime is 6761771729. The reversal of 6761771693 is 3961771676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6221581129 + 540190564 = 78877^2 + 23242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6761771693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6761771593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3380885846 + 3380885847.

It is an arithmetic number, because the mean of its divisors is an integer number (3380885847).

Almost surely, 2^6761771693 is an apocalyptic number.

It is an amenable number.

6761771693 is a deficient number, since it is larger than the sum of its proper divisors (1).

6761771693 is an equidigital number, since it uses as much as digits as its factorization.

6761771693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 53.

The square root of 6761771693 is about 82229.9926608291. The cubic root of 6761771693 is about 1890.9795593151.

The spelling of 6761771693 in words is "six billion, seven hundred sixty-one million, seven hundred seventy-one thousand, six hundred ninety-three".