489389533 has 2 divisors, whose sum is σ = 489389534. Its totient is φ = 489389532.

The previous prime is 489389513. The next prime is 489389569. The reversal of 489389533 is 335983984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254625849 + 234763684 = 15957^2 + 15322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489389533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489389513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244694766 + 244694767.

It is an arithmetic number, because the mean of its divisors is an integer number (244694767).

Almost surely, 2^489389533 is an apocalyptic number.

It is an amenable number.

489389533 is a deficient number, since it is larger than the sum of its proper divisors (1).

489389533 is an equidigital number, since it uses as much as digits as its factorization.

489389533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 52.

The square root of 489389533 is about 22122.1502797535. The cubic root of 489389533 is about 788.0459816031.

The spelling of 489389533 in words is "four hundred eighty-nine million, three hundred eighty-nine thousand, five hundred thirty-three".