10000000443 has 4 divisors (see below), whose sum is σ = 13333333928. Its totient is φ = 6666666960.

The previous prime is 10000000403. The next prime is 10000000469. The reversal of 10000000443 is 34400000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34400000001 = 3 ⋅11466666667.

It is not a de Polignac number, because 10000000443 - 2¹⁸ = 9999738299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000000403) 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, 1666666738 + ... + 1666666743.

It is an arithmetic number, because the mean of its divisors is an integer number (3333333482).

Almost surely, 2^10000000443 is an apocalyptic number.

10000000443 is a deficient number, since it is larger than the sum of its proper divisors (3333333485).

10000000443 is an equidigital number, since it uses as much as digits as its factorization.

10000000443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333333484.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 10000000443 its reverse (34400000001), we get a palindrome (44400000444).

The spelling of 10000000443 in words is "ten billion, four hundred forty-three", and thus it is an aban number.