685272231230 has 16 divisors (see below), whose sum is σ = 1233553452624. Its totient is φ = 274094795520.

The previous prime is 685272231191. The next prime is 685272231271. The reversal of 685272231230 is 32132272586.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556816 + ... + 1947875.

It is an arithmetic number, because the mean of its divisors is an integer number (77097090789).

Almost surely, 2^685272231230 is an apocalyptic number.

685272231230 is a deficient number, since it is larger than the sum of its proper divisors (548281221394).

685272231230 is a wasteful number, since it uses less digits than its factorization.

685272231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524251.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 685272231230 in words is "six hundred eighty-five billion, two hundred seventy-two million, two hundred thirty-one thousand, two hundred thirty".