321042444044019 has 4 divisors (see below), whose sum is σ = 428056592058696. Its totient is φ = 214028296029344.

The previous prime is 321042444043991. The next prime is 321042444044041. The reversal of 321042444044019 is 910440444240123.

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 321042444044019 - 2³¹ = 321040296560371 is a prime.

It is a super-2 number, since 2×321042444044019² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321042444044099) 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, 53507074007334 + ... + 53507074007339.

It is an arithmetic number, because the mean of its divisors is an integer number (107014148014674).

Almost surely, 2^{321042444044019} is an apocalyptic number.

321042444044019 is a deficient number, since it is larger than the sum of its proper divisors (107014148014677).

321042444044019 is a wasteful number, since it uses less digits than its factorization.

321042444044019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107014148014676.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 321042444044019 in words is "three hundred twenty-one trillion, forty-two billion, four hundred forty-four million, forty-four thousand, nineteen".