679993275313 has 4 divisors (see below), whose sum is σ = 741810845808. Its totient is φ = 618175704820.

The previous prime is 679993275289. The next prime is 679993275341. The reversal of 679993275313 is 313572399976.

It is the 336649-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679993275313 - 2⁹ = 679993274801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679993275113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30908785231 + ... + 30908785252.

It is an arithmetic number, because the mean of its divisors is an integer number (185452711452).

Almost surely, 2^679993275313 is an apocalyptic number.

It is an amenable number.

679993275313 is a deficient number, since it is larger than the sum of its proper divisors (61817570495).

679993275313 is a wasteful number, since it uses less digits than its factorization.

679993275313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61817570494.

The product of its digits is 57868020, while the sum is 64.

The spelling of 679993275313 in words is "six hundred seventy-nine billion, nine hundred ninety-three million, two hundred seventy-five thousand, three hundred thirteen".