2103435505 has 16 divisors (see below), whose sum is σ = 2621125584. Its totient is φ = 1619205120.

The previous prime is 2103435493. The next prime is 2103435553. The reversal of 2103435505 is 5055343012.

It can be written as a sum of positive squares in 8 ways, for example, as 10556001 + 2092879504 = 3249^2 + 45748^2 .

It is not a de Polignac number, because 2103435505 - 2⁵ = 2103435473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55314 + ... + 85243.

It is an arithmetic number, because the mean of its divisors is an integer number (163820349).

Almost surely, 2^2103435505 is an apocalyptic number.

It is an amenable number.

2103435505 is a deficient number, since it is larger than the sum of its proper divisors (517690079).

2103435505 is a wasteful number, since it uses less digits than its factorization.

2103435505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140676.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2103435505 is about 45863.2260640265. The cubic root of 2103435505 is about 1281.2771077192.

Adding to 2103435505 its reverse (5055343012), we get a palindrome (7158778517).

The spelling of 2103435505 in words is "two billion, one hundred three million, four hundred thirty-five thousand, five hundred five".