681747014859 has 16 divisors (see below), whose sum is σ = 939967610880. Its totient is φ = 439063750080.

The previous prime is 681747014849. The next prime is 681747014867. The reversal of 681747014859 is 958410747186.

It is not a de Polignac number, because 681747014859 - 2¹⁷ = 681746883787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (681747014849) 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 15 ways as a sum of consecutive naturals, for example, 6388747 + ... + 6494580.

It is an arithmetic number, because the mean of its divisors is an integer number (58747975680).

Almost surely, 2^681747014859 is an apocalyptic number.

681747014859 is a deficient number, since it is larger than the sum of its proper divisors (258220596021).

681747014859 is a wasteful number, since it uses less digits than its factorization.

681747014859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883930.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 681747014859 in words is "six hundred eighty-one billion, seven hundred forty-seven million, fourteen thousand, eight hundred fifty-nine".