2143432435 has 8 divisors (see below), whose sum is σ = 2572582896. Its totient is φ = 1714436640.

The previous prime is 2143432433. The next prime is 2143432439. The reversal of 2143432435 is 5342343412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143432435 - 2¹ = 2143432433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143432397 and 2143432406.

It is not an unprimeable number, because it can be changed into a prime (2143432433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604 + ... + 65713.

It is an arithmetic number, because the mean of its divisors is an integer number (321572862).

Almost surely, 2^2143432435 is an apocalyptic number.

2143432435 is a deficient number, since it is larger than the sum of its proper divisors (429150461).

2143432435 is an equidigital number, since it uses as much as digits as its factorization.

2143432435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77333.

The product of its digits is 34560, while the sum is 31.

The square root of 2143432435 is about 46297.2184369644. The cubic root of 2143432435 is about 1289.3473522936.

Adding to 2143432435 its reverse (5342343412), we get a palindrome (7485775847).

The spelling of 2143432435 in words is "two billion, one hundred forty-three million, four hundred thirty-two thousand, four hundred thirty-five".