489728683 has 2 divisors, whose sum is σ = 489728684. Its totient is φ = 489728682.

The previous prime is 489728647. The next prime is 489728689. The reversal of 489728683 is 386827984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489728683 is a prime.

It is not a weakly prime, because it can be changed into another prime (489728689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244864341 + 244864342.

It is an arithmetic number, because the mean of its divisors is an integer number (244864342).

Almost surely, 2^489728683 is an apocalyptic number.

489728683 is a deficient number, since it is larger than the sum of its proper divisors (1).

489728683 is an equidigital number, since it uses as much as digits as its factorization.

489728683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The square root of 489728683 is about 22129.8143462615. The cubic root of 489728683 is about 788.2279798284.

It can be divided in two parts, 4897286 and 83, that added together give a square (4897369 = 2213²).

The spelling of 489728683 in words is "four hundred eighty-nine million, seven hundred twenty-eight thousand, six hundred eighty-three".