680026653309 has 8 divisors (see below), whose sum is σ = 906951107872. Its totient is φ = 453226650480.

The previous prime is 680026653307. The next prime is 680026653337. The reversal of 680026653309 is 903356620086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680026653309 - 2¹ = 680026653307 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 (680026653301) 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 7 ways as a sum of consecutive naturals, for example, 31100182 + ... + 31122039.

It is an arithmetic number, because the mean of its divisors is an integer number (113368888484).

Almost surely, 2^680026653309 is an apocalyptic number.

It is an amenable number.

680026653309 is a deficient number, since it is larger than the sum of its proper divisors (226924454563).

680026653309 is a wasteful number, since it uses less digits than its factorization.

680026653309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62225867.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 680026653309 in words is "six hundred eighty billion, twenty-six million, six hundred fifty-three thousand, three hundred nine".