10389034821 has 16 divisors (see below), whose sum is σ = 15114613248. Its totient is φ = 6295014000.

The previous prime is 10389034819. The next prime is 10389034837. The reversal of 10389034821 is 12843098301.

10389034821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10389034821 - 2¹ = 10389034819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10389034821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10389034861) 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 15 ways as a sum of consecutive naturals, for example, 131590 + ... + 195176.

It is an arithmetic number, because the mean of its divisors is an integer number (944663328).

Almost surely, 2^10389034821 is an apocalyptic number.

10389034821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10389034821 is a deficient number, since it is larger than the sum of its proper divisors (4725578427).

10389034821 is a wasteful number, since it uses less digits than its factorization.

10389034821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68552.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 10389034821 in words is "ten billion, three hundred eighty-nine million, thirty-four thousand, eight hundred twenty-one".