9012985432 has 32 divisors (see below), whose sum is σ = 18446662080. Its totient is φ = 4094364960.

The previous prime is 9012985381. The next prime is 9012985493. The reversal of 9012985432 is 2345892109.

9012985432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121903 + ... + 181345.

It is an arithmetic number, because the mean of its divisors is an integer number (576458190).

Almost surely, 2^9012985432 is an apocalyptic number.

It is an amenable number.

9012985432 is an abundant number, since it is smaller than the sum of its proper divisors (9433676648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9012985432 is a wasteful number, since it uses less digits than its factorization.

9012985432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61183 (or 61179 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 9012985432 is about 94936.7443722398. The cubic root of 9012985432 is about 2081.0837418231.

It can be divided in two parts, 90129 and 85432, that added together give a square (175561 = 419²).

The spelling of 9012985432 in words is "nine billion, twelve million, nine hundred eighty-five thousand, four hundred thirty-two".