63489333 has 16 divisors (see below), whose sum is σ = 87607296. Its totient is φ = 40855920.

The previous prime is 63489319. The next prime is 63489337. The reversal of 63489333 is 33398436.

63489333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63489333 - 2¹² = 63485237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63489291 and 63489300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63489337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54010 + ... + 55172.

It is an arithmetic number, because the mean of its divisors is an integer number (5475456).

Almost surely, 2^63489333 is an apocalyptic number.

It is an amenable number.

63489333 is a deficient number, since it is larger than the sum of its proper divisors (24117963).

63489333 is a wasteful number, since it uses less digits than its factorization.

63489333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its digits is 139968, while the sum is 39.

The square root of 63489333 is about 7968.0193900366. The cubic root of 63489333 is about 398.9332681534.

The spelling of 63489333 in words is "sixty-three million, four hundred eighty-nine thousand, three hundred thirty-three".