2143735432 has 16 divisors (see below), whose sum is σ = 4029842700. Its totient is φ = 1069110720.

The previous prime is 2143735421. The next prime is 2143735457. The reversal of 2143735432 is 2345373412.

It can be written as a sum of positive squares in 2 ways, for example, as 2141283076 + 2452356 = 46274^2 + 1566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341319 + ... + 347542.

Almost surely, 2^2143735432 is an apocalyptic number.

It is an amenable number.

2143735432 is a deficient number, since it is larger than the sum of its proper divisors (1886107268).

2143735432 is a wasteful number, since it uses less digits than its factorization.

2143735432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689256 (or 689252 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 2143735432 is about 46300.4906237504. The cubic root of 2143735432 is about 1289.4081037572.

The spelling of 2143735432 in words is "two billion, one hundred forty-three million, seven hundred thirty-five thousand, four hundred thirty-two".