6846766991 has 2 divisors, whose sum is σ = 6846766992. Its totient is φ = 6846766990.

The previous prime is 6846766961. The next prime is 6846767077. The reversal of 6846766991 is 1996676486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6846766991 - 2¹⁰ = 6846765967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6846766921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3423383495 + 3423383496.

It is an arithmetic number, because the mean of its divisors is an integer number (3423383496).

Almost surely, 2^6846766991 is an apocalyptic number.

6846766991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6846766991 is an equidigital number, since it uses as much as digits as its factorization.

6846766991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 62.

The square root of 6846766991 is about 82745.1931594821. The cubic root of 6846766991 is about 1898.8697794342.

The spelling of 6846766991 in words is "six billion, eight hundred forty-six million, seven hundred sixty-six thousand, nine hundred ninety-one".