489538057 has 2 divisors, whose sum is σ = 489538058. Its totient is φ = 489538056.

The previous prime is 489538039. The next prime is 489538099. The reversal of 489538057 is 750835984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349091856 + 140446201 = 18684^2 + 11851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489538057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489538057.

It is not a weakly prime, because it can be changed into another prime (489538037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244769028 + 244769029.

It is an arithmetic number, because the mean of its divisors is an integer number (244769029).

Almost surely, 2^489538057 is an apocalyptic number.

It is an amenable number.

489538057 is a deficient number, since it is larger than the sum of its proper divisors (1).

489538057 is an equidigital number, since it uses as much as digits as its factorization.

489538057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 489538057 is about 22125.5069320456. The cubic root of 489538057 is about 788.1256944528.

The spelling of 489538057 in words is "four hundred eighty-nine million, five hundred thirty-eight thousand, fifty-seven".