6340432443 has 16 divisors (see below), whose sum is σ = 8703179520. Its totient is φ = 4102867296.

The previous prime is 6340432433. The next prime is 6340432457. The reversal of 6340432443 is 3442340436.

6340432443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6340432443 - 2⁸ = 6340432187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6340432433) 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, 21655 + ... + 114672.

It is an arithmetic number, because the mean of its divisors is an integer number (543948720).

Almost surely, 2^6340432443 is an apocalyptic number.

6340432443 is a deficient number, since it is larger than the sum of its proper divisors (2362747077).

6340432443 is a wasteful number, since it uses less digits than its factorization.

6340432443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136786.

The product of its (nonzero) digits is 82944, while the sum is 33.

The square root of 6340432443 is about 79626.8324310342. The cubic root of 6340432443 is about 1850.8574007660.

Adding to 6340432443 its reverse (3442340436), we get a palindrome (9782772879).

The spelling of 6340432443 in words is "six billion, three hundred forty million, four hundred thirty-two thousand, four hundred forty-three".