354443313221 has 8 divisors (see below), whose sum is σ = 354606048000. Its totient is φ = 354280623840.

The previous prime is 354443313187. The next prime is 354443313229. The reversal of 354443313221 is 122313344453.

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 354443313221 - 2³⁰ = 353369571397 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 (354443313229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37546220 + ... + 37555658.

It is an arithmetic number, because the mean of its divisors is an integer number (44325756000).

Almost surely, 2^354443313221 is an apocalyptic number.

It is an amenable number.

354443313221 is a deficient number, since it is larger than the sum of its proper divisors (162734779).

354443313221 is an equidigital number, since it uses as much as digits as its factorization.

354443313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699.

The product of its digits is 103680, while the sum is 35.

Adding to 354443313221 its reverse (122313344453), we get a palindrome (476756657674).

The spelling of 354443313221 in words is "three hundred fifty-four billion, four hundred forty-three million, three hundred thirteen thousand, two hundred twenty-one".