680119291 has 4 divisors (see below), whose sum is σ = 684684000. Its totient is φ = 675554584.

The previous prime is 680119277. The next prime is 680119303. The reversal of 680119291 is 192911086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192911086 = 2 ⋅96455543.

It is a cyclic number.

It is not a de Polignac number, because 680119291 - 2¹⁵ = 680086523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680119291.

It is not an unprimeable number, because it can be changed into a prime (680119091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282131 + ... + 2282428.

It is an arithmetic number, because the mean of its divisors is an integer number (171171000).

Almost surely, 2^680119291 is an apocalyptic number.

680119291 is a deficient number, since it is larger than the sum of its proper divisors (4564709).

680119291 is a wasteful number, since it uses less digits than its factorization.

680119291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564708.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 680119291 is about 26079.0968210174. The cubic root of 680119291 is about 879.4173532101.

The spelling of 680119291 in words is "six hundred eighty million, one hundred nineteen thousand, two hundred ninety-one".