1003443400441 has 4 divisors (see below), whose sum is σ = 1004358117492. Its totient is φ = 1002528683392.

The previous prime is 1003443400429. The next prime is 1003443400451. The reversal of 1003443400441 is 1440043443001.

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 662101180416 + 341342220025 = 813696^2 + 584245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003443400441 - 2⁷ = 1003443400313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003443400451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457356880 + ... + 457359073.

It is an arithmetic number, because the mean of its divisors is an integer number (251089529373).

Almost surely, 2^{1003443400441} is an apocalyptic number.

It is an amenable number.

1003443400441 is a deficient number, since it is larger than the sum of its proper divisors (914717051).

1003443400441 is an equidigital number, since it uses as much as digits as its factorization.

1003443400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914717050.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1003443400441 its reverse (1440043443001), we get a palindrome (2443486843442).

The spelling of 1003443400441 in words is "one trillion, three billion, four hundred forty-three million, four hundred thousand, four hundred forty-one".