489533734090 has 8 divisors (see below), whose sum is σ = 881160721380. Its totient is φ = 195813493632.

The previous prime is 489533734069. The next prime is 489533734091. The reversal of 489533734090 is 90437335984.

It can be written as a sum of positive squares in 2 ways, for example, as 485891249481 + 3642484609 = 697059^2 + 60353^2 .

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

It is not an unprimeable number, because it can be changed into a prime (489533734091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24476686695 + ... + 24476686714.

Almost surely, 2^489533734090 is an apocalyptic number.

489533734090 is a deficient number, since it is larger than the sum of its proper divisors (391626987290).

489533734090 is a wasteful number, since it uses less digits than its factorization.

489533734090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48953373416.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 489533734090 in words is "four hundred eighty-nine billion, five hundred thirty-three million, seven hundred thirty-four thousand, ninety".