10005205443 has 4 divisors (see below), whose sum is σ = 13340273928. Its totient is φ = 6670136960.

The previous prime is 10005205423. The next prime is 10005205481. The reversal of 10005205443 is 34450250001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10005205443 - 2⁹ = 10005204931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10005205423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667534238 + ... + 1667534243.

It is an arithmetic number, because the mean of its divisors is an integer number (3335068482).

Almost surely, 2^10005205443 is an apocalyptic number.

10005205443 is a deficient number, since it is larger than the sum of its proper divisors (3335068485).

10005205443 is an equidigital number, since it uses as much as digits as its factorization.

10005205443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335068484.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 10005205443 its reverse (34450250001), we get a palindrome (44455455444).

The spelling of 10005205443 in words is "ten billion, five million, two hundred five thousand, four hundred forty-three".