680228305353 has 40 divisors (see below), whose sum is σ = 1063778388288. Its totient is φ = 432355483296.

The previous prime is 680228305313. The next prime is 680228305397. The reversal of 680228305353 is 353503822086.

680228305353 is a `hidden beast` number, since 6 + 80 + 2 + 2 + 8 + 30 + 535 + 3 = 666.

It is not a de Polignac number, because 680228305353 - 2⁹ = 680228304841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 680228305299 and 680228305308.

It is not an unprimeable number, because it can be changed into a prime (680228305303) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22726 + ... + 1166607.

Almost surely, 2^680228305353 is an apocalyptic number.

It is an amenable number.

680228305353 is a deficient number, since it is larger than the sum of its proper divisors (383550082935).

680228305353 is a wasteful number, since it uses less digits than its factorization.

680228305353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189675 (or 1189666 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 680228305353 in words is "six hundred eighty billion, two hundred twenty-eight million, three hundred five thousand, three hundred fifty-three".