2143012444 has 12 divisors (see below), whose sum is σ = 3752608104. Its totient is φ = 1070838704.

The previous prime is 2143012429. The next prime is 2143012463. The reversal of 2143012444 is 4442103412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159622 + ... + 172525.

It is an arithmetic number, because the mean of its divisors is an integer number (312717342).

Almost surely, 2^2143012444 is an apocalyptic number.

It is an amenable number.

2143012444 is a deficient number, since it is larger than the sum of its proper divisors (1609595660).

2143012444 is a wasteful number, since it uses less digits than its factorization.

2143012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333764 (or 333762 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2143012444 is about 46292.6824022977. The cubic root of 2143012444 is about 1289.2631338460.

Adding to 2143012444 its reverse (4442103412), we get a palindrome (6585115856).

The spelling of 2143012444 in words is "two billion, one hundred forty-three million, twelve thousand, four hundred forty-four".