826329685682 has 6 divisors (see below), whose sum is σ = 1239496456863. Its totient is φ = 413164200062.

The previous prime is 826329685669. The next prime is 826329685693. The reversal of 826329685682 is 286586923628.

It can be written as a sum of positive squares in only one way, i.e., 413164842841 + 413164842841 = 642779^2 + 642779^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=642779.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 964169 + ... + 1606947.

Almost surely, 2^826329685682 is an apocalyptic number.

826329685682 is a deficient number, since it is larger than the sum of its proper divisors (413166771181).

826329685682 is an frugal number, since it uses more digits than its factorization.

826329685682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285560 (or 642781 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 65.

The spelling of 826329685682 in words is "eight hundred twenty-six billion, three hundred twenty-nine million, six hundred eighty-five thousand, six hundred eighty-two".