6761643104825 has 18 divisors (see below), whose sum is σ = 9753325198686. Its totient is φ = 4636555271040.

The previous prime is 6761643104819. The next prime is 6761643104861. The reversal of 6761643104825 is 5284013461676.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 653864687161 + 6107778417664 = 808619^2 + 2471392^2 .

It is not a de Polignac number, because 6761643104825 - 2⁶ = 6761643104761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2759853104 + ... + 2759855553.

It is an arithmetic number, because the mean of its divisors is an integer number (541851399927).

Almost surely, 2^{6761643104825} is an apocalyptic number.

It is an amenable number.

6761643104825 is a deficient number, since it is larger than the sum of its proper divisors (2991682093861).

6761643104825 is a wasteful number, since it uses less digits than its factorization.

6761643104825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519708681 (or 5519708669 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 6761643104825 in words is "six trillion, seven hundred sixty-one billion, six hundred forty-three million, one hundred four thousand, eight hundred twenty-five".