1044605225813 has 8 divisors (see below), whose sum is σ = 1061802754560. Its totient is φ = 1027410047280.

The previous prime is 1044605225773. The next prime is 1044605225837. The reversal of 1044605225813 is 3185225064401.

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 1044605225813 - 2³⁶ = 975885749077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044605225843) 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 7 ways as a sum of consecutive naturals, for example, 320156 + ... + 1480442.

It is an arithmetic number, because the mean of its divisors is an integer number (132725344320).

Almost surely, 2^{1044605225813} is an apocalyptic number.

It is an amenable number.

1044605225813 is a deficient number, since it is larger than the sum of its proper divisors (17197528747).

1044605225813 is a wasteful number, since it uses less digits than its factorization.

1044605225813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175107.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 1044605225813 in words is "one trillion, forty-four billion, six hundred five million, two hundred twenty-five thousand, eight hundred thirteen".