4004212420443 has 8 divisors (see below), whose sum is σ = 5339499264000. Its totient is φ = 2669200261928.

The previous prime is 4004212420423. The next prime is 4004212420447. The reversal of 4004212420443 is 3440242124004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4004212420443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4004212420443.

It is not an unprimeable number, because it can be changed into a prime (4004212420447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68637243 + ... + 68695556.

It is an arithmetic number, because the mean of its divisors is an integer number (667437408000).

Almost surely, 2^{4004212420443} is an apocalyptic number.

4004212420443 is a deficient number, since it is larger than the sum of its proper divisors (1335286843557).

4004212420443 is a wasteful number, since it uses less digits than its factorization.

4004212420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137342521.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4004212420443 its reverse (3440242124004), we get a palindrome (7444454544447).

The spelling of 4004212420443 in words is "four trillion, four billion, two hundred twelve million, four hundred twenty thousand, four hundred forty-three".