6644112303 has 4 divisors (see below), whose sum is σ = 8858816408. Its totient is φ = 4429408200.

The previous prime is 6644112269. The next prime is 6644112341. The reversal of 6644112303 is 3032114466.

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

It is not a de Polignac number, because 6644112303 - 2⁹ = 6644111791 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 (6644212303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107352048 + ... + 1107352053.

It is an arithmetic number, because the mean of its divisors is an integer number (2214704102).

Almost surely, 2^6644112303 is an apocalyptic number.

6644112303 is a deficient number, since it is larger than the sum of its proper divisors (2214704105).

6644112303 is a wasteful number, since it uses less digits than its factorization.

6644112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214704104.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6644112303 is about 81511.4243710659. The cubic root of 6644112303 is about 1879.9472128494.

Adding to 6644112303 its reverse (3032114466), we get a palindrome (9676226769).

The spelling of 6644112303 in words is "six billion, six hundred forty-four million, one hundred twelve thousand, three hundred three".