2143330505 has 16 divisors (see below), whose sum is σ = 2738355984. Its totient is φ = 1604874240.

The previous prime is 2143330499. The next prime is 2143330513. The reversal of 2143330505 is 5050333412.

It can be written as a sum of positive squares in 8 ways, for example, as 6210064 + 2137120441 = 2492^2 + 46229^2 .

It is not a de Polignac number, because 2143330505 - 2⁴ = 2143330489 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, 54272 + ... + 85041.

It is an arithmetic number, because the mean of its divisors is an integer number (171147249).

Almost surely, 2^2143330505 is an apocalyptic number.

It is an amenable number.

2143330505 is a deficient number, since it is larger than the sum of its proper divisors (595025479).

2143330505 is a wasteful number, since it uses less digits than its factorization.

2143330505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139516.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2143330505 is about 46296.1176018033. The cubic root of 2143330505 is about 1289.3269138515.

Adding to 2143330505 its reverse (5050333412), we get a palindrome (7193663917).

The spelling of 2143330505 in words is "two billion, one hundred forty-three million, three hundred thirty thousand, five hundred five".