2028543430 has 16 divisors (see below), whose sum is σ = 3662415504. Its totient is φ = 808964640.

The previous prime is 2028543427. The next prime is 2028543431. The reversal of 2028543430 is 343458202.

It is a super-2 number, since 2×2028543430² = 8229976894792329800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028543392 and 2028543401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028543431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303117 + ... + 309736.

It is an arithmetic number, because the mean of its divisors is an integer number (228900969).

Almost surely, 2^2028543430 is an apocalyptic number.

2028543430 is a deficient number, since it is larger than the sum of its proper divisors (1633872074).

2028543430 is a wasteful number, since it uses less digits than its factorization.

2028543430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613191.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2028543430 is about 45039.3542360456. The cubic root of 2028543430 is about 1265.8865048868.

The spelling of 2028543430 in words is "two billion, twenty-eight million, five hundred forty-three thousand, four hundred thirty".