6690093859 has 2 divisors, whose sum is σ = 6690093860. Its totient is φ = 6690093858.

The previous prime is 6690093841. The next prime is 6690093887. The reversal of 6690093859 is 9583900966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6690093859 - 2⁷ = 6690093731 is a prime.

It is not a weakly prime, because it can be changed into another prime (6690093659) 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, 3345046929 + 3345046930.

It is an arithmetic number, because the mean of its divisors is an integer number (3345046930).

Almost surely, 2^6690093859 is an apocalyptic number.

6690093859 is a deficient number, since it is larger than the sum of its proper divisors (1).

6690093859 is an equidigital number, since it uses as much as digits as its factorization.

6690093859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 6690093859 is about 81792.9939481371. The cubic root of 6690093859 is about 1884.2740636361.

The spelling of 6690093859 in words is "six billion, six hundred ninety million, ninety-three thousand, eight hundred fifty-nine".