6807690451 has 2 divisors, whose sum is σ = 6807690452. Its totient is φ = 6807690450.

The previous prime is 6807690431. The next prime is 6807690479. The reversal of 6807690451 is 1540967086.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6807690451 is a prime.

It is not a weakly prime, because it can be changed into another prime (6807690401) 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, 3403845225 + 3403845226.

It is an arithmetic number, because the mean of its divisors is an integer number (3403845226).

Almost surely, 2^6807690451 is an apocalyptic number.

6807690451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6807690451 is an equidigital number, since it uses as much as digits as its factorization.

6807690451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 6807690451 is about 82508.7295442125. The cubic root of 6807690451 is about 1895.2504131361.

The spelling of 6807690451 in words is "six billion, eight hundred seven million, six hundred ninety thousand, four hundred fifty-one".