1044021213443 has 8 divisors (see below), whose sum is σ = 1140166179936. Its totient is φ = 950138481600.

The previous prime is 1044021213383. The next prime is 1044021213451. The reversal of 1044021213443 is 3443121204401.

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 1044021213443 - 2³⁴ = 1026841344259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044021213493) 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, 565557698 + ... + 565559543.

It is an arithmetic number, because the mean of its divisors is an integer number (142520772492).

Almost surely, 2^{1044021213443} is an apocalyptic number.

1044021213443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1044021213443 is a deficient number, since it is larger than the sum of its proper divisors (96144966493).

1044021213443 is a wasteful number, since it uses less digits than its factorization.

1044021213443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131117325.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1044021213443 its reverse (3443121204401), we get a palindrome (4487142417844).

The spelling of 1044021213443 in words is "one trillion, forty-four billion, twenty-one million, two hundred thirteen thousand, four hundred forty-three".