679425027650 has 12 divisors (see below), whose sum is σ = 1263730551522. Its totient is φ = 271770011040.

The previous prime is 679425027637. The next prime is 679425027661. The reversal of 679425027650 is 56720524976.

It can be written as a sum of positive squares in 3 ways, for example, as 594044772049 + 85380255601 = 770743^2 + 292199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 679425027592 and 679425027601.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6794250227 + ... + 6794250326.

Almost surely, 2^679425027650 is an apocalyptic number.

679425027650 is a deficient number, since it is larger than the sum of its proper divisors (584305523872).

679425027650 is a wasteful number, since it uses less digits than its factorization.

679425027650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13588500565 (or 13588500560 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 679425027650 in words is "six hundred seventy-nine billion, four hundred twenty-five million, twenty-seven thousand, six hundred fifty".