6694055579 has 2 divisors, whose sum is σ = 6694055580. Its totient is φ = 6694055578.

The previous prime is 6694055549. The next prime is 6694055611. The reversal of 6694055579 is 9755504966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6694055579 - 2³² = 2399088283 is a prime.

It is not a weakly prime, because it can be changed into another prime (6694055549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347027789 + 3347027790.

It is an arithmetic number, because the mean of its divisors is an integer number (3347027790).

Almost surely, 2^6694055579 is an apocalyptic number.

6694055579 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694055579 is an equidigital number, since it uses as much as digits as its factorization.

6694055579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 56.

The square root of 6694055579 is about 81817.2083305218. The cubic root of 6694055579 is about 1884.6459315231.

The spelling of 6694055579 in words is "six billion, six hundred ninety-four million, fifty-five thousand, five hundred seventy-nine".