4021340343 has 8 divisors (see below), whose sum is σ = 5397296256. Its totient is φ = 2663139000.

The previous prime is 4021340333. The next prime is 4021340357. The reversal of 4021340343 is 3430431204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4021340343 - 2¹⁰ = 4021339319 is a prime.

It is a super-3 number, since 3×4021340343³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021340333) 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 7 ways as a sum of consecutive naturals, for example, 4438113 + ... + 4439018.

It is an arithmetic number, because the mean of its divisors is an integer number (674662032).

Almost surely, 2^4021340343 is an apocalyptic number.

4021340343 is a deficient number, since it is larger than the sum of its proper divisors (1375955913).

4021340343 is a wasteful number, since it uses less digits than its factorization.

4021340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877285.

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

The square root of 4021340343 is about 63414.0390055704. The cubic root of 4021340343 is about 1590.2190201038.

Adding to 4021340343 its reverse (3430431204), we get a palindrome (7451771547).

The spelling of 4021340343 in words is "four billion, twenty-one million, three hundred forty thousand, three hundred forty-three".