6679217959 has 2 divisors, whose sum is σ = 6679217960. Its totient is φ = 6679217958.

The previous prime is 6679217929. The next prime is 6679217981. The reversal of 6679217959 is 9597129766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6679217959 - 2²³ = 6670829351 is a prime.

It is a super-2 number, since 2×6679217959² = 89223905087656251362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6679217897 and 6679217906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6679217929) 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, 3339608979 + 3339608980.

It is an arithmetic number, because the mean of its divisors is an integer number (3339608980).

Almost surely, 2^6679217959 is an apocalyptic number.

6679217959 is a deficient number, since it is larger than the sum of its proper divisors (1).

6679217959 is an equidigital number, since it uses as much as digits as its factorization.

6679217959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 61.

The square root of 6679217959 is about 81726.4826050895. The cubic root of 6679217959 is about 1883.2524391356.

The spelling of 6679217959 in words is "six billion, six hundred seventy-nine million, two hundred seventeen thousand, nine hundred fifty-nine".