689483617983 has 12 divisors (see below), whose sum is σ = 1009947835728. Its totient is φ = 453181720320.

The previous prime is 689483617981. The next prime is 689483618009. The reversal of 689483617983 is 389716384986.

689483617983 is a `hidden beast` number, since 6 + 8 + 9 + 483 + 61 + 7 + 9 + 83 = 666.

It is not a de Polignac number, because 689483617983 - 2¹ = 689483617981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689483617981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539501410 + ... + 539502687.

It is an arithmetic number, because the mean of its divisors is an integer number (84162319644).

Almost surely, 2^689483617983 is an apocalyptic number.

689483617983 is a deficient number, since it is larger than the sum of its proper divisors (320464217745).

689483617983 is a wasteful number, since it uses less digits than its factorization.

689483617983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079004174 (or 1079004171 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 689483617983 in words is "six hundred eighty-nine billion, four hundred eighty-three million, six hundred seventeen thousand, nine hundred eighty-three".