4021430343 has 12 divisors (see below), whose sum is σ = 6237320760. Its totient is φ = 2297960112.

The previous prime is 4021430321. The next prime is 4021430381. The reversal of 4021430343 is 3430341204.

It is not a de Polignac number, because 4021430343 - 2¹⁸ = 4021168199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021430243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13678188 + ... + 13678481.

It is an arithmetic number, because the mean of its divisors is an integer number (519776730).

Almost surely, 2^4021430343 is an apocalyptic number.

4021430343 is a deficient number, since it is larger than the sum of its proper divisors (2215890417).

4021430343 is a wasteful number, since it uses less digits than its factorization.

4021430343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27356686 (or 27356679 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4021430343 is about 63414.7486236443. The cubic root of 4021430343 is about 1590.2308833660.

Adding to 4021430343 its reverse (3430341204), we get a palindrome (7451771547).

The spelling of 4021430343 in words is "four billion, twenty-one million, four hundred thirty thousand, three hundred forty-three".