1044043503453 has 12 divisors (see below), whose sum is σ = 1526232271200. Its totient is φ = 687643110216.

The previous prime is 1044043503449. The next prime is 1044043503457. The reversal of 1044043503453 is 3543053404401.

1044043503453 is a `hidden beast` number, since 104 + 4 + 0 + 4 + 3 + 503 + 45 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1044043503449) and next prime (1044043503457).

It is not a de Polignac number, because 1044043503453 - 2² = 1044043503449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044043503457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 698823553 + ... + 698825046.

It is an arithmetic number, because the mean of its divisors is an integer number (127186022600).

Almost surely, 2^{1044043503453} is an apocalyptic number.

It is an amenable number.

1044043503453 is a deficient number, since it is larger than the sum of its proper divisors (482188767747).

1044043503453 is a wasteful number, since it uses less digits than its factorization.

1044043503453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397648688 (or 1397648685 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 1044043503453 its reverse (3543053404401), we get a palindrome (4587096907854).

The spelling of 1044043503453 in words is "one trillion, forty-four billion, forty-three million, five hundred three thousand, four hundred fifty-three".