679114309 has 2 divisors, whose sum is σ = 679114310. Its totient is φ = 679114308.

The previous prime is 679114301. The next prime is 679114409. The reversal of 679114309 is 903411976.

679114309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613552900 + 65561409 = 24770^2 + 8097^2 .

It is a cyclic number.

It is not a de Polignac number, because 679114309 - 2³ = 679114301 is a prime.

It is a super-2 number, since 2×679114309² = 922392489377094962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679114301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339557154 + 339557155.

It is an arithmetic number, because the mean of its divisors is an integer number (339557155).

Almost surely, 2^679114309 is an apocalyptic number.

It is an amenable number.

679114309 is a deficient number, since it is larger than the sum of its proper divisors (1).

679114309 is an equidigital number, since it uses as much as digits as its factorization.

679114309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 679114309 is about 26059.8217376865. The cubic root of 679114309 is about 878.9839810569.

The spelling of 679114309 in words is "six hundred seventy-nine million, one hundred fourteen thousand, three hundred nine".