679151514068 has 12 divisors (see below), whose sum is σ = 1188520998420. Its totient is φ = 339574085952.

The previous prime is 679151514061. The next prime is 679151514079. The reversal of 679151514068 is 860415151976.

It can be written as a sum of positive squares in 2 ways, for example, as 317214515524 + 361936998544 = 563218^2 + 601612^2 .

It is a super-2 number, since 2×679151514068² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679151514061) 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, 1152230 + ... + 1638882.

It is an arithmetic number, because the mean of its divisors is an integer number (99043416535).

Almost surely, 2^679151514068 is an apocalyptic number.

It is an amenable number.

679151514068 is a deficient number, since it is larger than the sum of its proper divisors (509369484352).

679151514068 is a wasteful number, since it uses less digits than its factorization.

679151514068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835546 (or 835544 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 679151514068 in words is "six hundred seventy-nine billion, one hundred fifty-one million, five hundred fourteen thousand, sixty-eight".