4020443011343 has 4 divisors (see below), whose sum is σ = 4385937830568. Its totient is φ = 3654948192120.

The previous prime is 4020443011331. The next prime is 4020443011381. The reversal of 4020443011343 is 3431103440204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4020443011343 - 2¹⁴ = 4020442994959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020443011313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182747409596 + ... + 182747409617.

It is an arithmetic number, because the mean of its divisors is an integer number (1096484457642).

Almost surely, 2^{4020443011343} is an apocalyptic number.

4020443011343 is a deficient number, since it is larger than the sum of its proper divisors (365494819225).

4020443011343 is a wasteful number, since it uses less digits than its factorization.

4020443011343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365494819224.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4020443011343 its reverse (3431103440204), we get a palindrome (7451546451547).

The spelling of 4020443011343 in words is "four trillion, twenty billion, four hundred forty-three million, eleven thousand, three hundred forty-three".