2143983215 has 16 divisors (see below), whose sum is σ = 2820787200. Its totient is φ = 1551417120.

The previous prime is 2143983197. The next prime is 2143983217. The reversal of 2143983215 is 5123893412.

It is not a de Polignac number, because 2143983215 - 2⁶ = 2143983151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143983217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86999 + ... + 108888.

It is an arithmetic number, because the mean of its divisors is an integer number (176299200).

Almost surely, 2^2143983215 is an apocalyptic number.

2143983215 is a deficient number, since it is larger than the sum of its proper divisors (676803985).

2143983215 is a wasteful number, since it uses less digits than its factorization.

2143983215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196102.

The product of its digits is 51840, while the sum is 38.

The square root of 2143983215 is about 46303.1663604121. The cubic root of 2143983215 is about 1289.4577804562.

The spelling of 2143983215 in words is "two billion, one hundred forty-three million, nine hundred eighty-three thousand, two hundred fifteen".