6698404547 has 2 divisors, whose sum is σ = 6698404548. Its totient is φ = 6698404546.

The previous prime is 6698404541. The next prime is 6698404589. The reversal of 6698404547 is 7454048966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6698404547 - 2⁸ = 6698404291 is a prime.

It is not a weakly prime, because it can be changed into another prime (6698404541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349202273 + 3349202274.

It is an arithmetic number, because the mean of its divisors is an integer number (3349202274).

Almost surely, 2^6698404547 is an apocalyptic number.

6698404547 is a deficient number, since it is larger than the sum of its proper divisors (1).

6698404547 is an equidigital number, since it uses as much as digits as its factorization.

6698404547 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6698404547 is about 81843.7813581460. The cubic root of 6698404547 is about 1885.0539796497.

The spelling of 6698404547 in words is "six billion, six hundred ninety-eight million, four hundred four thousand, five hundred forty-seven".