17828004509 has 8 divisors (see below), whose sum is σ = 20708876928. Its totient is φ = 15030635760.

The previous prime is 17828004487. The next prime is 17828004511. The reversal of 17828004509 is 90540082871.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17828004509 - 2⁸ = 17828004253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17828004509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17828004599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20875457 + ... + 20876310.

It is an arithmetic number, because the mean of its divisors is an integer number (2588609616).

Almost surely, 2^17828004509 is an apocalyptic number.

It is an amenable number.

17828004509 is a deficient number, since it is larger than the sum of its proper divisors (2880872419).

17828004509 is an equidigital number, since it uses as much as digits as its factorization.

17828004509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41751835.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 17828004509 in words is "seventeen billion, eight hundred twenty-eight million, four thousand, five hundred nine".