679695989133 has 12 divisors (see below), whose sum is σ = 1054222350720. Its totient is φ = 388397707992.

The previous prime is 679695989123. The next prime is 679695989173. The reversal of 679695989133 is 331989596976.

It is not a de Polignac number, because 679695989133 - 2⁴ = 679695989117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679695989113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2311890973 + ... + 2311891266.

It is an arithmetic number, because the mean of its divisors is an integer number (87851862560).

Almost surely, 2^679695989133 is an apocalyptic number.

It is an amenable number.

679695989133 is a deficient number, since it is larger than the sum of its proper divisors (374526361587).

679695989133 is a wasteful number, since it uses less digits than its factorization.

679695989133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623782256 (or 4623782249 counting only the distinct ones).

The product of its digits is 595213920, while the sum is 75.

The spelling of 679695989133 in words is "six hundred seventy-nine billion, six hundred ninety-five million, nine hundred eighty-nine thousand, one hundred thirty-three".