813943648606 has 64 divisors (see below), whose sum is σ = 1361762668800. Its totient is φ = 361781728000.

The previous prime is 813943648547. The next prime is 813943648691. The reversal of 813943648606 is 606846349318.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229990785 + ... + 229994323.

It is an arithmetic number, because the mean of its divisors is an integer number (21277541700).

Almost surely, 2^813943648606 is an apocalyptic number.

813943648606 is a deficient number, since it is larger than the sum of its proper divisors (547819020194).

813943648606 is a wasteful number, since it uses less digits than its factorization.

813943648606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 813943648606 in words is "eight hundred thirteen billion, nine hundred forty-three million, six hundred forty-eight thousand, six hundred six".