2143244344 has 8 divisors (see below), whose sum is σ = 4018583160. Its totient is φ = 1071622168.

The previous prime is 2143244339. The next prime is 2143244353. The reversal of 2143244344 is 4434423412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133952764 + ... + 133952779.

It is an arithmetic number, because the mean of its divisors is an integer number (502322895).

Almost surely, 2^2143244344 is an apocalyptic number.

It is an amenable number.

2143244344 is a deficient number, since it is larger than the sum of its proper divisors (1875338816).

2143244344 is a wasteful number, since it uses less digits than its factorization.

2143244344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267905549 (or 267905545 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 2143244344 is about 46295.1870500595. The cubic root of 2143244344 is about 1289.3096368171.

Adding to 2143244344 its reverse (4434423412), we get a palindrome (6577667756).

The spelling of 2143244344 in words is "two billion, one hundred forty-three million, two hundred forty-four thousand, three hundred forty-four".