1798384402409 has 8 divisors (see below), whose sum is σ = 2057229955200. Its totient is φ = 1540022223456.

The previous prime is 1798384402403. The next prime is 1798384402489. The reversal of 1798384402409 is 9042044838971.

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

It is a cyclic number.

It is not a de Polignac number, because 1798384402409 - 2²⁴ = 1798367625193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1798384402403) 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, 120835484 + ... + 120850365.

It is an arithmetic number, because the mean of its divisors is an integer number (257153744400).

Almost surely, 2^{1798384402409} is an apocalyptic number.

It is an amenable number.

1798384402409 is a deficient number, since it is larger than the sum of its proper divisors (258845552791).

1798384402409 is a wasteful number, since it uses less digits than its factorization.

1798384402409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241686919.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 1798384402409 in words is "one trillion, seven hundred ninety-eight billion, three hundred eighty-four million, four hundred two thousand, four hundred nine".