680750179199 has 4 divisors (see below), whose sum is σ = 681522881760. Its totient is φ = 679977476640.

The previous prime is 680750179147. The next prime is 680750179253. The reversal of 680750179199 is 991971057086.

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 680750179199 - 2³⁶ = 612030702463 is a prime.

It is a super-2 number, since 2×680750179199² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680750179129) 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, 386349959 + ... + 386351720.

It is an arithmetic number, because the mean of its divisors is an integer number (170380720440).

Almost surely, 2^680750179199 is an apocalyptic number.

680750179199 is a deficient number, since it is larger than the sum of its proper divisors (772702561).

680750179199 is an equidigital number, since it uses as much as digits as its factorization.

680750179199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772702560.

The product of its (nonzero) digits is 8573040, while the sum is 62.

The spelling of 680750179199 in words is "six hundred eighty billion, seven hundred fifty million, one hundred seventy-nine thousand, one hundred ninety-nine".