4143342021 has 32 divisors (see below), whose sum is σ = 6833933568. Its totient is φ = 2174376960.

The previous prime is 4143342019. The next prime is 4143342023. The reversal of 4143342021 is 1202433414.

It is an interprime number because it is at equal distance from previous prime (4143342019) and next prime (4143342023).

It is not a de Polignac number, because 4143342021 - 2¹ = 4143342019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4143341982 and 4143342000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143342023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15261 + ... + 92301.

It is an arithmetic number, because the mean of its divisors is an integer number (213560424).

Almost surely, 2^4143342021 is an apocalyptic number.

It is an amenable number.

4143342021 is a deficient number, since it is larger than the sum of its proper divisors (2690591547).

4143342021 is a wasteful number, since it uses less digits than its factorization.

4143342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77261.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4143342021 is about 64368.7969516287. The cubic root of 4143342021 is about 1606.1407276651.

Adding to 4143342021 its reverse (1202433414), we get a palindrome (5345775435).

The spelling of 4143342021 in words is "four billion, one hundred forty-three million, three hundred forty-two thousand, twenty-one".