685046553056 has 48 divisors (see below), whose sum is σ = 1362688518240. Its totient is φ = 338984855040.

The previous prime is 685046553031. The next prime is 685046553091. The reversal of 685046553056 is 650355640586.

It is a junction number, because it is equal to n+sod(n) for n = 685046552989 and 685046553007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943886 + ... + 1503666.

It is an arithmetic number, because the mean of its divisors is an integer number (28389344130).

Almost surely, 2^685046553056 is an apocalyptic number.

It is an amenable number.

685046553056 is a deficient number, since it is larger than the sum of its proper divisors (677641965184).

685046553056 is a wasteful number, since it uses less digits than its factorization.

685046553056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560187 (or 560179 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 685046553056 in words is "six hundred eighty-five billion, forty-six million, five hundred fifty-three thousand, fifty-six".