443253121441 has 16 divisors (see below), whose sum is σ = 492204178368. Its totient is φ = 396512280000.

The previous prime is 443253121429. The next prime is 443253121447. The reversal of 443253121441 is 144121352344.

It is a cyclic number.

It is not a de Polignac number, because 443253121441 - 2³⁷ = 305814167969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443253121397 and 443253121406.

It is not an unprimeable number, because it can be changed into a prime (443253121447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714975 + ... + 1956436.

It is an arithmetic number, because the mean of its divisors is an integer number (30762761148).

Almost surely, 2^443253121441 is an apocalyptic number.

It is an amenable number.

443253121441 is a deficient number, since it is larger than the sum of its proper divisors (48951056927).

443253121441 is a wasteful number, since it uses less digits than its factorization.

443253121441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671712.

The product of its digits is 46080, while the sum is 34.

Adding to 443253121441 its reverse (144121352344), we get a palindrome (587374473785).

The spelling of 443253121441 in words is "four hundred forty-three billion, two hundred fifty-three million, one hundred twenty-one thousand, four hundred forty-one".