10043441085389 has 4 divisors (see below), whose sum is σ = 10059109480860. Its totient is φ = 10027772689920.

The previous prime is 10043441085367. The next prime is 10043441085409. The reversal of 10043441085389 is 98358014434001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8122215002500 + 1921226082889 = 2849950^2 + 1386083^2 .

It is a cyclic number.

It is not a de Polignac number, because 10043441085389 - 2⁸ = 10043441085133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10043441085289) 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, 7834196774 + ... + 7834198055.

It is an arithmetic number, because the mean of its divisors is an integer number (2514777370215).

Almost surely, 2^{10043441085389} is an apocalyptic number.

It is an amenable number.

10043441085389 is a deficient number, since it is larger than the sum of its proper divisors (15668395471).

10043441085389 is an equidigital number, since it uses as much as digits as its factorization.

10043441085389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15668395470.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 10043441085389 in words is "ten trillion, forty-three billion, four hundred forty-one million, eighty-five thousand, three hundred eighty-nine".