489533903 has 2 divisors, whose sum is σ = 489533904. Its totient is φ = 489533902.

The previous prime is 489533897. The next prime is 489533923. The reversal of 489533903 is 309335984.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489533903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489533923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244766951 + 244766952.

It is an arithmetic number, because the mean of its divisors is an integer number (244766952).

Almost surely, 2^489533903 is an apocalyptic number.

489533903 is a deficient number, since it is larger than the sum of its proper divisors (1).

489533903 is an equidigital number, since it uses as much as digits as its factorization.

489533903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 489533903 is about 22125.4130582911. The cubic root of 489533903 is about 788.1234652197.

The spelling of 489533903 in words is "four hundred eighty-nine million, five hundred thirty-three thousand, nine hundred three".