2130244505 has 4 divisors (see below), whose sum is σ = 2556293412. Its totient is φ = 1704195600.

The previous prime is 2130244471. The next prime is 2130244531. The reversal of 2130244505 is 5054420312.

It is a happy number.

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 804119449 + 1326125056 = 28357^2 + 36416^2 .

It is not a de Polignac number, because 2130244505 - 2²⁸ = 1861809049 is a prime.

It is a Duffinian 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, 213024446 + ... + 213024455.

It is an arithmetic number, because the mean of its divisors is an integer number (639073353).

Almost surely, 2^2130244505 is an apocalyptic number.

It is an amenable number.

2130244505 is a deficient number, since it is larger than the sum of its proper divisors (426048907).

2130244505 is an equidigital number, since it uses as much as digits as its factorization.

2130244505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426048906.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2130244505 is about 46154.5718753841. The cubic root of 2130244505 is about 1286.6975812579.

Adding to 2130244505 its reverse (5054420312), we get a palindrome (7184664817).

The spelling of 2130244505 in words is "two billion, one hundred thirty million, two hundred forty-four thousand, five hundred five".