2143421024 has 24 divisors (see below), whose sum is σ = 4248190800. Its totient is φ = 1064515456.

The previous prime is 2143421011. The next prime is 2143421029. The reversal of 2143421024 is 4201243412.

It is a super-2 number, since 2×2143421024² = 9188507372250417152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143421029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220004 + ... + 229539.

It is an arithmetic number, because the mean of its divisors is an integer number (177007950).

Almost surely, 2^2143421024 is an apocalyptic number.

It is an amenable number.

2143421024 is a deficient number, since it is larger than the sum of its proper divisors (2104769776).

2143421024 is a wasteful number, since it uses less digits than its factorization.

2143421024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449702 (or 449694 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2143421024 is about 46297.0952004551. The cubic root of 2143421024 is about 1289.3450642549.

Adding to 2143421024 its reverse (4201243412), we get a palindrome (6344664436).

The spelling of 2143421024 in words is "two billion, one hundred forty-three million, four hundred twenty-one thousand, twenty-four".