98541944321 has 4 divisors (see below), whose sum is σ = 98983836672. Its totient is φ = 98100051972.

The previous prime is 98541944279. The next prime is 98541944323. The reversal of 98541944321 is 12344914589.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98541944321 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 98541944321.

It is not an unprimeable number, because it can be changed into a prime (98541944323) 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, 220945841 + ... + 220946286.

It is an arithmetic number, because the mean of its divisors is an integer number (24745959168).

Almost surely, 2^98541944321 is an apocalyptic number.

It is an amenable number.

98541944321 is a deficient number, since it is larger than the sum of its proper divisors (441892351).

98541944321 is a wasteful number, since it uses less digits than its factorization.

98541944321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441892350.

The product of its digits is 1244160, while the sum is 50.

The spelling of 98541944321 in words is "ninety-eight billion, five hundred forty-one million, nine hundred forty-four thousand, three hundred twenty-one".