679349029846 has 8 divisors (see below), whose sum is σ = 1078966106280. Its totient is φ = 319693661088.

The previous prime is 679349029841. The next prime is 679349029859. The reversal of 679349029846 is 648920943976.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679349029841) 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, 9990426876 + ... + 9990426943.

It is an arithmetic number, because the mean of its divisors is an integer number (134870763285).

Almost surely, 2^679349029846 is an apocalyptic number.

679349029846 is a deficient number, since it is larger than the sum of its proper divisors (399617076434).

679349029846 is a wasteful number, since it uses less digits than its factorization.

679349029846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980853838.

The product of its (nonzero) digits is 141087744, while the sum is 67.

The spelling of 679349029846 in words is "six hundred seventy-nine billion, three hundred forty-nine million, twenty-nine thousand, eight hundred forty-six".