679138682361 has 8 divisors (see below), whose sum is σ = 934728509184. Its totient is φ = 438153988560.

The previous prime is 679138682311. The next prime is 679138682371. The reversal of 679138682361 is 163286831976.

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

It is not a de Polignac number, because 679138682361 - 2⁶ = 679138682297 is a prime.

It is a super-2 number, since 2×679138682361² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 679138682295 and 679138682304.

It is not an unprimeable number, because it can be changed into a prime (679138682311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3651283146 + ... + 3651283331.

It is an arithmetic number, because the mean of its divisors is an integer number (116841063648).

Almost surely, 2^679138682361 is an apocalyptic number.

It is an amenable number.

679138682361 is a deficient number, since it is larger than the sum of its proper divisors (255589826823).

679138682361 is a wasteful number, since it uses less digits than its factorization.

679138682361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302566511.

The product of its digits is 15676416, while the sum is 60.

The spelling of 679138682361 in words is "six hundred seventy-nine billion, one hundred thirty-eight million, six hundred eighty-two thousand, three hundred sixty-one".