2153189232 has 60 divisors (see below), whose sum is σ = 6041827584. Its totient is φ = 715837440.

The previous prime is 2153189191. The next prime is 2153189243. The reversal of 2153189232 is 2329813512.

2153189232 is a `hidden beast` number, since 2 + 1 + 531 + 8 + 92 + 32 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35632 + ... + 74672.

Almost surely, 2^2153189232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153189232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3020913792).

2153189232 is an abundant number, since it is smaller than the sum of its proper divisors (3888638352).

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

2153189232 is a wasteful number, since it uses less digits than its factorization.

2153189232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39438 (or 39429 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 2153189232 is about 46402.4701066657. The cubic root of 2153189232 is about 1291.3007395501.

The spelling of 2153189232 in words is "two billion, one hundred fifty-three million, one hundred eighty-nine thousand, two hundred thirty-two".