680806807333 has 4 divisors (see below), whose sum is σ = 710407103328. Its totient is φ = 651206511340.

The previous prime is 680806807309. The next prime is 680806807363. The reversal of 680806807333 is 333708608086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-680806807333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680806807363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14800147963 + ... + 14800148008.

It is an arithmetic number, because the mean of its divisors is an integer number (177601775832).

Almost surely, 2^680806807333 is an apocalyptic number.

It is an amenable number.

680806807333 is a deficient number, since it is larger than the sum of its proper divisors (29600295995).

680806807333 is a wasteful number, since it uses less digits than its factorization.

680806807333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29600295994.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 680806807333 in words is "six hundred eighty billion, eight hundred six million, eight hundred seven thousand, three hundred thirty-three".