10003444989 has 16 divisors (see below), whose sum is σ = 13538448000. Its totient is φ = 6568943616.

The previous prime is 10003444987. The next prime is 10003445029. The reversal of 10003444989 is 98944430001.

It is not a de Polignac number, because 10003444989 - 2¹ = 10003444987 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10003444989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003444987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138712 + ... + 198110.

It is an arithmetic number, because the mean of its divisors is an integer number (846153000).

Almost surely, 2^10003444989 is an apocalyptic number.

It is an amenable number.

10003444989 is a deficient number, since it is larger than the sum of its proper divisors (3535003011).

10003444989 is an equidigital number, since it uses as much as digits as its factorization.

10003444989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60244.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 10003444989 in words is "ten billion, three million, four hundred forty-four thousand, nine hundred eighty-nine".