17679848699 has 2 divisors, whose sum is σ = 17679848700. Its totient is φ = 17679848698.

The previous prime is 17679848677. The next prime is 17679848737. The reversal of 17679848699 is 99684897671.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17679848699 is a prime.

It is not a weakly prime, because it can be changed into another prime (17679848629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8839924349 + 8839924350.

It is an arithmetic number, because the mean of its divisors is an integer number (8839924350).

Almost surely, 2^17679848699 is an apocalyptic number.

17679848699 is a deficient number, since it is larger than the sum of its proper divisors (1).

17679848699 is an equidigital number, since it uses as much as digits as its factorization.

17679848699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329204736, while the sum is 74.

The spelling of 17679848699 in words is "seventeen billion, six hundred seventy-nine million, eight hundred forty-eight thousand, six hundred ninety-nine".