2143425244 has 24 divisors (see below), whose sum is σ = 3855948768. Its totient is φ = 1041779520.

The previous prime is 2143425233. The next prime is 2143425247. The reversal of 2143425244 is 4425243412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143425247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168657 + ... + 180919.

It is an arithmetic number, because the mean of its divisors is an integer number (160664532).

Almost surely, 2^2143425244 is an apocalyptic number.

It is an amenable number.

2143425244 is a deficient number, since it is larger than the sum of its proper divisors (1712523524).

2143425244 is a wasteful number, since it uses less digits than its factorization.

2143425244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13485 (or 13483 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 2143425244 is about 46297.1407756462. The cubic root of 2143425244 is about 1289.3459104151.

Adding to 2143425244 its reverse (4425243412), we get a palindrome (6568668656).

The spelling of 2143425244 in words is "two billion, one hundred forty-three million, four hundred twenty-five thousand, two hundred forty-four".