489304547 has 2 divisors, whose sum is σ = 489304548. Its totient is φ = 489304546.

The previous prime is 489304513. The next prime is 489304561. The reversal of 489304547 is 745403984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489304547 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 489304498 and 489304507.

It is not a weakly prime, because it can be changed into another prime (489304247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244652273 + 244652274.

It is an arithmetic number, because the mean of its divisors is an integer number (244652274).

Almost surely, 2^489304547 is an apocalyptic number.

489304547 is a deficient number, since it is larger than the sum of its proper divisors (1).

489304547 is an equidigital number, since it uses as much as digits as its factorization.

489304547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 489304547 is about 22120.2293613787. The cubic root of 489304547 is about 788.0003623513. Note that the first 3 decimals are identical.

The spelling of 489304547 in words is "four hundred eighty-nine million, three hundred four thousand, five hundred forty-seven".