1000944308793 has 32 divisors (see below), whose sum is σ = 1574642160000. Its totient is φ = 557565488640.

The previous prime is 1000944308783. The next prime is 1000944308839. The reversal of 1000944308793 is 3978034490001.

It is a happy number.

It is not a de Polignac number, because 1000944308793 - 2⁹ = 1000944308281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000944308713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4906918 + ... + 5106831.

It is an arithmetic number, because the mean of its divisors is an integer number (49207567500).

Almost surely, 2^{1000944308793} is an apocalyptic number.

1000944308793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1000944308793 is a deficient number, since it is larger than the sum of its proper divisors (573697851207).

1000944308793 is a wasteful number, since it uses less digits than its factorization.

1000944308793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014009.

The product of its (nonzero) digits is 653184, while the sum is 48.

Adding to 1000944308793 its reverse (3978034490001), we get a palindrome (4978978798794).

The spelling of 1000944308793 in words is "one trillion, nine hundred forty-four million, three hundred eight thousand, seven hundred ninety-three".