2103704045 has 4 divisors (see below), whose sum is σ = 2524444860. Its totient is φ = 1682963232.

The previous prime is 2103704017. The next prime is 2103704063. The reversal of 2103704045 is 5404073012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1202563684 + 901140361 = 34678^2 + 30019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103704045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210370400 + ... + 210370409.

It is an arithmetic number, because the mean of its divisors is an integer number (631111215).

Almost surely, 2^2103704045 is an apocalyptic number.

It is an amenable number.

2103704045 is a deficient number, since it is larger than the sum of its proper divisors (420740815).

2103704045 is an equidigital number, since it uses as much as digits as its factorization.

2103704045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420740814.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2103704045 is about 45866.1535884578. The cubic root of 2103704045 is about 1281.3316311424.

Adding to 2103704045 its reverse (5404073012), we get a palindrome (7507777057).

The spelling of 2103704045 in words is "two billion, one hundred three million, seven hundred four thousand, forty-five".