4021043434013 has 4 divisors (see below), whose sum is σ = 4021249586880. Its totient is φ = 4020837281148.

The previous prime is 4021043433997. The next prime is 4021043434061. The reversal of 4021043434013 is 3104343401204.

It is a happy number.

4021043434013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4021043434013 - 2⁴ = 4021043433997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021043434063) 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, 103047173 + ... + 103086186.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312396720).

Almost surely, 2^{4021043434013} is an apocalyptic number.

It is an amenable number.

4021043434013 is a deficient number, since it is larger than the sum of its proper divisors (206152867).

4021043434013 is a wasteful number, since it uses less digits than its factorization.

4021043434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206152866.

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

Adding to 4021043434013 its reverse (3104343401204), we get a palindrome (7125386835217).

The spelling of 4021043434013 in words is "four trillion, twenty-one billion, forty-three million, four hundred thirty-four thousand, thirteen".