1044043503457 has 2 divisors, whose sum is σ = 1044043503458. Its totient is φ = 1044043503456.

The previous prime is 1044043503449. The next prime is 1044043503479. The reversal of 1044043503457 is 7543053404401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593394443041 + 450649060416 = 770321^2 + 671304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044043503457 - 2³ = 1044043503449 is a prime.

It is a super-2 number, since 2×1044043503457² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1044043533457) 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, 522021751728 + 522021751729.

It is an arithmetic number, because the mean of its divisors is an integer number (522021751729).

Almost surely, 2^{1044043503457} is an apocalyptic number.

It is an amenable number.

1044043503457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044043503457 is an equidigital number, since it uses as much as digits as its factorization.

1044043503457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 1044043503457 its reverse (7543053404401), we get a palindrome (8587096907858).

The spelling of 1044043503457 in words is "one trillion, forty-four billion, forty-three million, five hundred three thousand, four hundred fifty-seven".