1044001244543 has 2 divisors, whose sum is σ = 1044001244544. Its totient is φ = 1044001244542.

The previous prime is 1044001244513. The next prime is 1044001244563. The reversal of 1044001244543 is 3454421004401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044001244543 - 2²⁰ = 1044000195967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044001244513) 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 as a sum of consecutive naturals, namely, 522000622271 + 522000622272.

It is an arithmetic number, because the mean of its divisors is an integer number (522000622272).

Almost surely, 2^{1044001244543} is an apocalyptic number.

1044001244543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044001244543 is an equidigital number, since it uses as much as digits as its factorization.

1044001244543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1044001244543 its reverse (3454421004401), we get a palindrome (4498422248944).

The spelling of 1044001244543 in words is "one trillion, forty-four billion, one million, two hundred forty-four thousand, five hundred forty-three".