680205041197 has 16 divisors (see below), whose sum is σ = 747030501504. Its totient is φ = 614211840000.

The previous prime is 680205041179. The next prime is 680205041287. The reversal of 680205041197 is 791140502086.

It is a de Polignac number, because none of the positive numbers 2^k-680205041197 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 (680205041167) 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 15 ways as a sum of consecutive naturals, for example, 29489493 + ... + 29512549.

It is an arithmetic number, because the mean of its divisors is an integer number (46689406344).

Almost surely, 2^680205041197 is an apocalyptic number.

It is an amenable number.

680205041197 is a deficient number, since it is larger than the sum of its proper divisors (66825460307).

680205041197 is a wasteful number, since it uses less digits than its factorization.

680205041197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40980.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 680205041197 in words is "six hundred eighty billion, two hundred five million, forty-one thousand, one hundred ninety-seven".