2128260043 has 16 divisors (see below), whose sum is σ = 2626461376. Its totient is φ = 1679356800.

The previous prime is 2128260011. The next prime is 2128260047. The reversal of 2128260043 is 3400628212.

It is a cyclic number.

It is not a de Polignac number, because 2128260043 - 2⁵ = 2128260011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2128259993 and 2128260020.

It is not an unprimeable number, because it can be changed into a prime (2128260047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593 + ... + 65293.

It is an arithmetic number, because the mean of its divisors is an integer number (164153836).

Almost surely, 2^2128260043 is an apocalyptic number.

2128260043 is a deficient number, since it is larger than the sum of its proper divisors (498201333).

2128260043 is a wasteful number, since it uses less digits than its factorization.

2128260043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63094.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2128260043 is about 46133.0688660531. The cubic root of 2128260043 is about 1286.2979094914.

Adding to 2128260043 its reverse (3400628212), we get a palindrome (5528888255).

The spelling of 2128260043 in words is "two billion, one hundred twenty-eight million, two hundred sixty thousand, forty-three".