680571337191 has 4 divisors (see below), whose sum is σ = 907428449592. Its totient is φ = 453714224792.

The previous prime is 680571337177. The next prime is 680571337211. The reversal of 680571337191 is 191733175086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680571337191 - 2⁷ = 680571337063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680571337091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113428556196 + ... + 113428556201.

It is an arithmetic number, because the mean of its divisors is an integer number (226857112398).

Almost surely, 2^680571337191 is an apocalyptic number.

680571337191 is a deficient number, since it is larger than the sum of its proper divisors (226857112401).

680571337191 is a wasteful number, since it uses less digits than its factorization.

680571337191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226857112400.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 680571337191 in words is "six hundred eighty billion, five hundred seventy-one million, three hundred thirty-seven thousand, one hundred ninety-one".