2128630270 has 32 divisors (see below), whose sum is σ = 4128612768. Its totient is φ = 785509248.

The previous prime is 2128630237. The next prime is 2128630271. The reversal of 2128630270 is 720368212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128630271) by changing a digit.

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, 302937 + ... + 309883.

It is an arithmetic number, because the mean of its divisors is an integer number (129019149).

Almost surely, 2^2128630270 is an apocalyptic number.

2128630270 is a deficient number, since it is larger than the sum of its proper divisors (1999982498).

2128630270 is a wasteful number, since it uses less digits than its factorization.

2128630270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2128630270 is about 46137.0812904328. The cubic root of 2128630270 is about 1286.3724922640.

Adding to 2128630270 its reverse (720368212), we get a palindrome (2848998482).

The spelling of 2128630270 in words is "two billion, one hundred twenty-eight million, six hundred thirty thousand, two hundred seventy".