680851481 has 8 divisors (see below), whose sum is σ = 703928064. Its totient is φ = 657844560.

The previous prime is 680851469. The next prime is 680851517. The reversal of 680851481 is 184158086.

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

It is a cyclic number.

It is not a de Polignac number, because 680851481 - 2⁶ = 680851417 is a prime.

It is a super-2 number, since 2×680851481² = 927117478359786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680851421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855 + ... + 37011.

It is an arithmetic number, because the mean of its divisors is an integer number (87991008).

Almost surely, 2^680851481 is an apocalyptic number.

It is an amenable number.

680851481 is a deficient number, since it is larger than the sum of its proper divisors (23076583).

680851481 is a wasteful number, since it uses less digits than its factorization.

680851481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34831.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 680851481 is about 26093.1309160093. The cubic root of 680851481 is about 879.7328222131.

The spelling of 680851481 in words is "six hundred eighty million, eight hundred fifty-one thousand, four hundred eighty-one".