10438905389 has 8 divisors (see below), whose sum is σ = 11445124800. Its totient is φ = 9442224000.

The previous prime is 10438905371. The next prime is 10438905391. The reversal of 10438905389 is 98350983401.

10438905389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10438905389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10438905359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382212 + ... + 2386589.

It is an arithmetic number, because the mean of its divisors is an integer number (1430640600).

Almost surely, 2^10438905389 is an apocalyptic number.

It is an amenable number.

10438905389 is a deficient number, since it is larger than the sum of its proper divisors (1006219411).

10438905389 is a wasteful number, since it uses less digits than its factorization.

10438905389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769011.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 10438905389 in words is "ten billion, four hundred thirty-eight million, nine hundred five thousand, three hundred eighty-nine".