2028441469 has 4 divisors (see below), whose sum is σ = 2028547360. Its totient is φ = 2028335580.

The previous prime is 2028441439. The next prime is 2028441497. The reversal of 2028441469 is 9641448202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2028441469 - 2⁹ = 2028440957 is a prime.

It is a super-2 number, since 2×2028441469² = 8229149586317755922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028441409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15279 + ... + 65500.

It is an arithmetic number, because the mean of its divisors is an integer number (507136840).

Almost surely, 2^2028441469 is an apocalyptic number.

It is an amenable number.

2028441469 is a deficient number, since it is larger than the sum of its proper divisors (105891).

2028441469 is an equidigital number, since it uses as much as digits as its factorization.

2028441469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105890.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2028441469 is about 45038.2223117210. Note that the first 3 decimals coincide. The cubic root of 2028441469 is about 1265.8652953801.

The spelling of 2028441469 in words is "two billion, twenty-eight million, four hundred forty-one thousand, four hundred sixty-nine".