680811407343 has 20 divisors (see below), whose sum is σ = 1026014714208. Its totient is φ = 449857679040.

The previous prime is 680811407321. The next prime is 680811407351. The reversal of 680811407343 is 343704118086.

It is not a de Polignac number, because 680811407343 - 2³⁴ = 663631538159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680811407543) 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 19 ways as a sum of consecutive naturals, for example, 37181463 + ... + 37199768.

Almost surely, 2^680811407343 is an apocalyptic number.

680811407343 is a deficient number, since it is larger than the sum of its proper divisors (345203306865).

680811407343 is a wasteful number, since it uses less digits than its factorization.

680811407343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74381356 (or 74381347 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 680811407343 in words is "six hundred eighty billion, eight hundred eleven million, four hundred seven thousand, three hundred forty-three".