489640303 has 2 divisors, whose sum is σ = 489640304. Its totient is φ = 489640302.

The previous prime is 489640289. The next prime is 489640357. The reversal of 489640303 is 303046984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489640303 - 2⁹ = 489639791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489640003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244820151 + 244820152.

It is an arithmetic number, because the mean of its divisors is an integer number (244820152).

Almost surely, 2^489640303 is an apocalyptic number.

489640303 is a deficient number, since it is larger than the sum of its proper divisors (1).

489640303 is an equidigital number, since it uses as much as digits as its factorization.

489640303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 489640303 is about 22127.8174025366. The cubic root of 489640303 is about 788.1805605244.

The spelling of 489640303 in words is "four hundred eighty-nine million, six hundred forty thousand, three hundred three".