533450989 has 8 divisors (see below), whose sum is σ = 546986520. Its totient is φ = 520044096.

The previous prime is 533450977. The next prime is 533450999. The reversal of 533450989 is 989054335.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 249798025 + 283652964 = 15805^2 + 16842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 533450989 - 2¹⁹ = 532926701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533450999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23734 + ... + 40375.

It is an arithmetic number, because the mean of its divisors is an integer number (68373315).

Almost surely, 2^533450989 is an apocalyptic number.

It is an amenable number.

533450989 is a deficient number, since it is larger than the sum of its proper divisors (13535531).

533450989 is a wasteful number, since it uses less digits than its factorization.

533450989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64319.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 533450989 is about 23096.5579470189. The cubic root of 533450989 is about 811.0198954860.

The spelling of 533450989 in words is "five hundred thirty-three million, four hundred fifty thousand, nine hundred eighty-nine".