6430006443 has 16 divisors (see below), whose sum is σ = 9799901696. Its totient is φ = 3673615680.

The previous prime is 6430006417. The next prime is 6430006463. The reversal of 6430006443 is 3446000346.

It is not a de Polignac number, because 6430006443 - 2²⁴ = 6413229227 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6430006443.

It is not an unprimeable number, because it can be changed into a prime (6430006463) 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, 103530 + ... + 153552.

It is an arithmetic number, because the mean of its divisors is an integer number (612493856).

Almost surely, 2^6430006443 is an apocalyptic number.

6430006443 is a deficient number, since it is larger than the sum of its proper divisors (3369895253).

6430006443 is a wasteful number, since it uses less digits than its factorization.

6430006443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56154.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 6430006443 is about 80187.3209616084. The cubic root of 6430006443 is about 1859.5326265289.

Adding to 6430006443 its reverse (3446000346), we get a palindrome (9876006789).

The spelling of 6430006443 in words is "six billion, four hundred thirty million, six thousand, four hundred forty-three".