989545495532 has 24 divisors (see below), whose sum is σ = 1889157816000. Its totient is φ = 449787334160.

The previous prime is 989545495529. The next prime is 989545495541. The reversal of 989545495532 is 235594545989.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5550719 + ... + 5726217.

It is an arithmetic number, because the mean of its divisors is an integer number (78714909000).

Almost surely, 2^989545495532 is an apocalyptic number.

It is an amenable number.

989545495532 is a deficient number, since it is larger than the sum of its proper divisors (899612320468).

989545495532 is a wasteful number, since it uses less digits than its factorization.

989545495532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303661 (or 303659 counting only the distinct ones).

The product of its digits is 349920000, while the sum is 68.

The spelling of 989545495532 in words is "nine hundred eighty-nine billion, five hundred forty-five million, four hundred ninety-five thousand, five hundred thirty-two".