2103443544 has 32 divisors (see below), whose sum is σ = 5439942000. Its totient is φ = 676970112.

The previous prime is 2103443501. The next prime is 2103443549. The reversal of 2103443544 is 4453443012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103443549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510399 + ... + 1511790.

Almost surely, 2^2103443544 is an apocalyptic number.

2103443544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2103443544 is an abundant number, since it is smaller than the sum of its proper divisors (3336498456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103443544 is a wasteful number, since it uses less digits than its factorization.

2103443544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022227 (or 3022223 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2103443544 is about 45863.3137049647. The cubic root of 2103443544 is about 1281.2787399970.

Adding to 2103443544 its reverse (4453443012), we get a palindrome (6556886556).

The spelling of 2103443544 in words is "two billion, one hundred three million, four hundred forty-three thousand, five hundred forty-four".