2103004645 has 16 divisors (see below), whose sum is σ = 3035917440. Its totient is φ = 1366161984.

The previous prime is 2103004619. The next prime is 2103004661. The reversal of 2103004645 is 5464003012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103004645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580542 + ... + 1581871.

It is an arithmetic number, because the mean of its divisors is an integer number (189744840).

Almost surely, 2^2103004645 is an apocalyptic number.

It is an amenable number.

2103004645 is a deficient number, since it is larger than the sum of its proper divisors (932912795).

2103004645 is a wasteful number, since it uses less digits than its factorization.

2103004645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162444.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2103004645 is about 45858.5285961074. The cubic root of 2103004645 is about 1281.1896177136.

Adding to 2103004645 its reverse (5464003012), we get a palindrome (7567007657).

The spelling of 2103004645 in words is "two billion, one hundred three million, four thousand, six hundred forty-five".