984085198459 has 4 divisors (see below), whose sum is σ = 1073547489240. Its totient is φ = 894622907680.

The previous prime is 984085198441. The next prime is 984085198463. The reversal of 984085198459 is 954891580489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 984085198459 - 2⁷ = 984085198331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984085198559) 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, 44731145374 + ... + 44731145395.

It is an arithmetic number, because the mean of its divisors is an integer number (268386872310).

Almost surely, 2^984085198459 is an apocalyptic number.

984085198459 is a deficient number, since it is larger than the sum of its proper divisors (89462290781).

984085198459 is a wasteful number, since it uses less digits than its factorization.

984085198459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89462290780.

The product of its (nonzero) digits is 149299200, while the sum is 70.

The spelling of 984085198459 in words is "nine hundred eighty-four billion, eighty-five million, one hundred ninety-eight thousand, four hundred fifty-nine".