682686630448 has 20 divisors (see below), whose sum is σ = 1322766832048. Its totient is φ = 341327448000.

The previous prime is 682686630427. The next prime is 682686630449. The reversal of 682686630448 is 844036686286.

682686630448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×682686630448² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682686630449) 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, 632811 + ... + 1328842.

Almost surely, 2^682686630448 is an apocalyptic number.

It is an amenable number.

682686630448 is a deficient number, since it is larger than the sum of its proper divisors (640080201600).

682686630448 is a wasteful number, since it uses less digits than its factorization.

682686630448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983412 (or 1983406 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 61.

The spelling of 682686630448 in words is "six hundred eighty-two billion, six hundred eighty-six million, six hundred thirty thousand, four hundred forty-eight".