2143433472 has 72 divisors (see below), whose sum is σ = 6004944960. Its totient is φ = 676869120.

The previous prime is 2143433441. The next prime is 2143433521. The reversal of 2143433472 is 2743343412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58854 + ... + 88037.

Almost surely, 2^2143433472 is an apocalyptic number.

It is an amenable number.

2143433472 is an abundant number, since it is smaller than the sum of its proper divisors (3861511488).

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

2143433472 is a wasteful number, since it uses less digits than its factorization.

2143433472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146929 (or 146915 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 2143433472 is about 46297.2296363400. The cubic root of 2143433472 is about 1289.3475602238.

Adding to 2143433472 its reverse (2743343412), we get a palindrome (4886776884).

The spelling of 2143433472 in words is "two billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred seventy-two".