1828004489 has 4 divisors (see below), whose sum is σ = 1828104720. Its totient is φ = 1827904260.

The previous prime is 1828004471. The next prime is 1828004491. The reversal of 1828004489 is 9844008281.

It is a happy number.

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 1828004489 - 2¹⁶ = 1827938953 is a prime.

It is a super-2 number, since 2×1828004489² = 6683200823608302242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1828004389) 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, 14159 + ... + 62100.

It is an arithmetic number, because the mean of its divisors is an integer number (457026180).

Almost surely, 2^1828004489 is an apocalyptic number.

It is an amenable number.

1828004489 is a deficient number, since it is larger than the sum of its proper divisors (100231).

1828004489 is an equidigital number, since it uses as much as digits as its factorization.

1828004489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100230.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 1828004489 is about 42755.1691494724. The cubic root of 1828004489 is about 1222.7164430675.

The spelling of 1828004489 in words is "one billion, eight hundred twenty-eight million, four thousand, four hundred eighty-nine".