679463309 has 8 divisors (see below), whose sum is σ = 810291840. Its totient is φ = 557075376.

The previous prime is 679463303. The next prime is 679463329. The reversal of 679463309 is 903364976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 679463309 - 2²⁴ = 662686093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679463303) 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 in 7 ways as a sum of consecutive naturals, for example, 2109974 + ... + 2110295.

It is an arithmetic number, because the mean of its divisors is an integer number (101286480).

Almost surely, 2^679463309 is an apocalyptic number.

It is an amenable number.

679463309 is a deficient number, since it is larger than the sum of its proper divisors (130828531).

679463309 is a wasteful number, since it uses less digits than its factorization.

679463309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220299.

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 679463309 is about 26066.5170093743. The cubic root of 679463309 is about 879.1345265890.

The spelling of 679463309 in words is "six hundred seventy-nine million, four hundred sixty-three thousand, three hundred nine".