489515633 has 2 divisors, whose sum is σ = 489515634. Its totient is φ = 489515632.

The previous prime is 489515627. The next prime is 489515681. The reversal of 489515633 is 336515984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423207184 + 66308449 = 20572^2 + 8143^2 .

It is a cyclic number.

It is not a de Polignac number, because 489515633 - 2⁴ = 489515617 is a prime.

It is not a weakly prime, because it can be changed into another prime (489515603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244757816 + 244757817.

It is an arithmetic number, because the mean of its divisors is an integer number (244757817).

Almost surely, 2^489515633 is an apocalyptic number.

It is an amenable number.

489515633 is a deficient number, since it is larger than the sum of its proper divisors (1).

489515633 is an equidigital number, since it uses as much as digits as its factorization.

489515633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 489515633 is about 22125.0001807910. Note that the first 3 decimals coincide. The cubic root of 489515633 is about 788.1136605226.

The spelling of 489515633 in words is "four hundred eighty-nine million, five hundred fifteen thousand, six hundred thirty-three".