2143213017 has 16 divisors (see below), whose sum is σ = 3119450880. Its totient is φ = 1298062800.

The previous prime is 2143212989. The next prime is 2143213021. The reversal of 2143213017 is 7103123412.

It is a happy number.

It is not a de Polignac number, because 2143213017 - 2¹¹ = 2143210969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143213057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31542 + ... + 72672.

It is an arithmetic number, because the mean of its divisors is an integer number (194965680).

Almost surely, 2^2143213017 is an apocalyptic number.

It is an amenable number.

2143213017 is a deficient number, since it is larger than the sum of its proper divisors (976237863).

2143213017 is a wasteful number, since it uses less digits than its factorization.

2143213017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42724.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2143213017 is about 46294.8487091167. The cubic root of 2143213017 is about 1289.3033550011.

Adding to 2143213017 its reverse (7103123412), we get a palindrome (9246336429).

The spelling of 2143213017 in words is "two billion, one hundred forty-three million, two hundred thirteen thousand, seventeen".