10001043443403 has 12 divisors (see below), whose sum is σ = 14446022153680. Its totient is φ = 6667329751056.

The previous prime is 10001043443357. The next prime is 10001043443453. The reversal of 10001043443403 is 30434434010001.

It is not a de Polignac number, because 10001043443403 - 2²⁶ = 10000976334539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001043443453) 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 11 ways as a sum of consecutive naturals, for example, 686143 + ... + 4524696.

Almost surely, 2^{10001043443403} is an apocalyptic number.

10001043443403 is a deficient number, since it is larger than the sum of its proper divisors (4444978710277).

10001043443403 is a wasteful number, since it uses less digits than its factorization.

10001043443403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424098 (or 5424095 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 10001043443403 its reverse (30434434010001), we get a palindrome (40435477453404).

The spelling of 10001043443403 in words is "ten trillion, one billion, forty-three million, four hundred forty-three thousand, four hundred three".