6443468903 has 4 divisors (see below), whose sum is σ = 6515867520. Its totient is φ = 6371070288.

The previous prime is 6443468873. The next prime is 6443468957. The reversal of 6443468903 is 3098643446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6443468903 - 2⁶ = 6443468839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443468963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36199175 + ... + 36199352.

It is an arithmetic number, because the mean of its divisors is an integer number (1628966880).

Almost surely, 2^6443468903 is an apocalyptic number.

6443468903 is a deficient number, since it is larger than the sum of its proper divisors (72398617).

6443468903 is an equidigital number, since it uses as much as digits as its factorization.

6443468903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72398616.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The square root of 6443468903 is about 80271.2208889338. The cubic root of 6443468903 is about 1860.8294854061.

The spelling of 6443468903 in words is "six billion, four hundred forty-three million, four hundred sixty-eight thousand, nine hundred three".