398821298219 has 4 divisors (see below), whose sum is σ = 398825647440. Its totient is φ = 398816949000.

The previous prime is 398821298207. The next prime is 398821298231. The reversal of 398821298219 is 912892128893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912892128893 = 46219 ⋅19751447.

It is an interprime number because it is at equal distance from previous prime (398821298207) and next prime (398821298231).

It is a cyclic number.

It is not a de Polignac number, because 398821298219 - 2⁴ = 398821298203 is a prime.

It is a super-2 number, since 2×398821298219² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398821295219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034032 + ... + 2221469.

It is an arithmetic number, because the mean of its divisors is an integer number (99706411860).

Almost surely, 2^398821298219 is an apocalyptic number.

398821298219 is a deficient number, since it is larger than the sum of its proper divisors (4349221).

398821298219 is an equidigital number, since it uses as much as digits as its factorization.

398821298219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349220.

The product of its digits is 8957952, while the sum is 62.

The spelling of 398821298219 in words is "three hundred ninety-eight billion, eight hundred twenty-one million, two hundred ninety-eight thousand, two hundred nineteen".