2003985659 has 12 divisors (see below), whose sum is σ = 2212083888. Its totient is φ = 1804695360.

The previous prime is 2003985649. The next prime is 2003985667. The reversal of 2003985659 is 9565893002.

It is not a de Polignac number, because 2003985659 - 2¹⁶ = 2003920123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003985629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23999 + ... + 67704.

It is an arithmetic number, because the mean of its divisors is an integer number (184340324).

Almost surely, 2^2003985659 is an apocalyptic number.

2003985659 is a deficient number, since it is larger than the sum of its proper divisors (208098229).

2003985659 is an equidigital number, since it uses as much as digits as its factorization.

2003985659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91798 (or 91757 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 2003985659 is about 44765.8983937550. The cubic root of 2003985659 is about 1260.7574304980.

The spelling of 2003985659 in words is "two billion, three million, nine hundred eighty-five thousand, six hundred fifty-nine".