4043342342321 has 8 divisors (see below), whose sum is σ = 4122983906280. Its totient is φ = 3963824929792.

The previous prime is 4043342342311. The next prime is 4043342342353. The reversal of 4043342342321 is 1232432433404.

It can be written as a sum of positive squares in 4 ways, for example, as 2884358755600 + 1158983586721 = 1698340^2 + 1076561^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4043342342321 - 2²⁶ = 4043275233457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043342342311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30972080 + ... + 31102353.

It is an arithmetic number, because the mean of its divisors is an integer number (515372988285).

Almost surely, 2^{4043342342321} is an apocalyptic number.

It is an amenable number.

4043342342321 is a deficient number, since it is larger than the sum of its proper divisors (79641563959).

4043342342321 is a wasteful number, since it uses less digits than its factorization.

4043342342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62075715.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 4043342342321 its reverse (1232432433404), we get a palindrome (5275774775725).

The spelling of 4043342342321 in words is "four trillion, forty-three billion, three hundred forty-two million, three hundred forty-two thousand, three hundred twenty-one".