443214021001 has 4 divisors (see below), whose sum is σ = 443253686292. Its totient is φ = 443174355712.

The previous prime is 443214020999. The next prime is 443214021023. The reversal of 443214021001 is 100120412344.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322197005376 + 121017015625 = 567624^2 + 347875^2 .

It is a cyclic number.

It is not a de Polignac number, because 443214021001 - 2¹ = 443214020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443214021301) 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, 19815880 + ... + 19838233.

It is an arithmetic number, because the mean of its divisors is an integer number (110813421573).

Almost surely, 2^443214021001 is an apocalyptic number.

It is an amenable number.

443214021001 is a deficient number, since it is larger than the sum of its proper divisors (39665291).

443214021001 is a wasteful number, since it uses less digits than its factorization.

443214021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39665290.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 443214021001 its reverse (100120412344), we get a palindrome (543334433345).

The spelling of 443214021001 in words is "four hundred forty-three billion, two hundred fourteen million, twenty-one thousand, one".