344021534501221 has 8 divisors (see below), whose sum is σ = 364258354238784. Its totient is φ = 323784743528640.

The previous prime is 344021534501189. The next prime is 344021534501231. The reversal of 344021534501221 is 122105435120443.

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 344021534501221 - 2⁵ = 344021534501189 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 (344021534501231) 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, 20472256 + ... + 33273958.

It is an arithmetic number, because the mean of its divisors is an integer number (45532294279848).

Almost surely, 2^{344021534501221} is an apocalyptic number.

It is an amenable number.

344021534501221 is a deficient number, since it is larger than the sum of its proper divisors (20236819737563).

344021534501221 is a wasteful number, since it uses less digits than its factorization.

344021534501221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14382491.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 344021534501221 its reverse (122105435120443), we get a palindrome (466126969621664).

The spelling of 344021534501221 in words is "three hundred forty-four trillion, twenty-one billion, five hundred thirty-four million, five hundred one thousand, two hundred twenty-one".