2143432535 has 16 divisors (see below), whose sum is σ = 2700103680. Its totient is φ = 1631298720.

The previous prime is 2143432531. The next prime is 2143432547. The reversal of 2143432535 is 5352343412.

It is not a de Polignac number, because 2143432535 - 2² = 2143432531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143432531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108047 + ... + 126336.

It is an arithmetic number, because the mean of its divisors is an integer number (168756480).

Almost surely, 2^2143432535 is an apocalyptic number.

2143432535 is a deficient number, since it is larger than the sum of its proper divisors (556671145).

2143432535 is a wasteful number, since it uses less digits than its factorization.

2143432535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234478.

The product of its digits is 43200, while the sum is 32.

The square root of 2143432535 is about 46297.2195169429. The cubic root of 2143432535 is about 1289.3473723447.

Adding to 2143432535 its reverse (5352343412), we get a palindrome (7495775947).

The spelling of 2143432535 in words is "two billion, one hundred forty-three million, four hundred thirty-two thousand, five hundred thirty-five".