2143221413 has 8 divisors (see below), whose sum is σ = 2311048320. Its totient is φ = 1980897120.

The previous prime is 2143221403. The next prime is 2143221419. The reversal of 2143221413 is 3141223412.

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 2143221413 - 2¹² = 2143217317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143221419) 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 7 ways as a sum of consecutive naturals, for example, 1374845 + ... + 1376402.

It is an arithmetic number, because the mean of its divisors is an integer number (288881040).

Almost surely, 2^2143221413 is an apocalyptic number.

It is an amenable number.

2143221413 is a deficient number, since it is larger than the sum of its proper divisors (167826907).

2143221413 is a wasteful number, since it uses less digits than its factorization.

2143221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751307.

The product of its digits is 1152, while the sum is 23.

The square root of 2143221413 is about 46294.9393886632. The cubic root of 2143221413 is about 1289.3050386068.

Adding to 2143221413 its reverse (3141223412), we get a palindrome (5284444825).

The spelling of 2143221413 in words is "two billion, one hundred forty-three million, two hundred twenty-one thousand, four hundred thirteen".