489668041 has 2 divisors, whose sum is σ = 489668042. Its totient is φ = 489668040.

The previous prime is 489667979. The next prime is 489668107. The reversal of 489668041 is 140866984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282912400 + 206755641 = 16820^2 + 14379^2 .

It is a cyclic number.

It is not a de Polignac number, because 489668041 - 2¹⁷ = 489536969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489667982 and 489668000.

It is not a weakly prime, because it can be changed into another prime (489668141) 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 as a sum of consecutive naturals, namely, 244834020 + 244834021.

It is an arithmetic number, because the mean of its divisors is an integer number (244834021).

Almost surely, 2^489668041 is an apocalyptic number.

It is an amenable number.

489668041 is a deficient number, since it is larger than the sum of its proper divisors (1).

489668041 is an equidigital number, since it uses as much as digits as its factorization.

489668041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 489668041 is about 22128.4441613052. Note that the first 3 decimals coincide. The cubic root of 489668041 is about 788.1954436535.

The spelling of 489668041 in words is "four hundred eighty-nine million, six hundred sixty-eight thousand, forty-one".