4021002343 has 16 divisors (see below), whose sum is σ = 4271681536. Its totient is φ = 3778319520.

The previous prime is 4021002329. The next prime is 4021002361. The reversal of 4021002343 is 3432001204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021002343 is a prime.

It is a super-2 number, since 2×4021002343² = 32336919684822979298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021002343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021006343) 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 15 ways as a sum of consecutive naturals, for example, 596530 + ... + 603232.

It is an arithmetic number, because the mean of its divisors is an integer number (266980096).

Almost surely, 2^4021002343 is an apocalyptic number.

4021002343 is a deficient number, since it is larger than the sum of its proper divisors (250679193).

4021002343 is a wasteful number, since it uses less digits than its factorization.

4021002343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4021002343 is about 63411.3739245571. The cubic root of 4021002343 is about 1590.1744653830.

Adding to 4021002343 its reverse (3432001204), we get a palindrome (7453003547).

The spelling of 4021002343 in words is "four billion, twenty-one million, two thousand, three hundred forty-three".