681147683 has 2 divisors, whose sum is σ = 681147684. Its totient is φ = 681147682.

The previous prime is 681147667. The next prime is 681147749. The reversal of 681147683 is 386741186.

681147683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 681147683 - 2⁴ = 681147667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (681147583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340573841 + 340573842.

It is an arithmetic number, because the mean of its divisors is an integer number (340573842).

Almost surely, 2^681147683 is an apocalyptic number.

681147683 is a deficient number, since it is larger than the sum of its proper divisors (1).

681147683 is an equidigital number, since it uses as much as digits as its factorization.

681147683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 681147683 is about 26098.8061604358. The cubic root of 681147683 is about 879.8603785891.

The spelling of 681147683 in words is "six hundred eighty-one million, one hundred forty-seven thousand, six hundred eighty-three".