2143983941 has 8 divisors (see below), whose sum is σ = 2339292000. Its totient is φ = 1948742640.

The previous prime is 2143983889. The next prime is 2143983973. The reversal of 2143983941 is 1493893412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143983941 - 2²² = 2139789637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2143983892 and 2143983901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143983041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70130 + ... + 95948.

It is an arithmetic number, because the mean of its divisors is an integer number (292411500).

Almost surely, 2^2143983941 is an apocalyptic number.

It is an amenable number.

2143983941 is a deficient number, since it is larger than the sum of its proper divisors (195308059).

2143983941 is a wasteful number, since it uses less digits than its factorization.

2143983941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33379.

The product of its digits is 186624, while the sum is 44.

The square root of 2143983941 is about 46303.1742000481. The cubic root of 2143983941 is about 1289.4579260025.

The spelling of 2143983941 in words is "two billion, one hundred forty-three million, nine hundred eighty-three thousand, nine hundred forty-one".