98008039619821 has 4 divisors (see below), whose sum is σ = 98015138064832. Its totient is φ = 98000941174812.

The previous prime is 98008039619773. The next prime is 98008039619869. The reversal of 98008039619821 is 12891693080089.

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 an interprime number because it is at equal distance from previous prime (98008039619773) and next prime (98008039619869).

It is a cyclic number.

It is not a de Polignac number, because 98008039619821 - 2¹⁵ = 98008039587053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98008039119821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549201795 + ... + 3549229408.

It is an arithmetic number, because the mean of its divisors is an integer number (24503784516208).

Almost surely, 2^{98008039619821} is an apocalyptic number.

It is an amenable number.

98008039619821 is a deficient number, since it is larger than the sum of its proper divisors (7098445011).

98008039619821 is a wasteful number, since it uses less digits than its factorization.

98008039619821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098445010.

The product of its (nonzero) digits is 13436928, while the sum is 64.

The spelling of 98008039619821 in words is "ninety-eight trillion, eight billion, thirty-nine million, six hundred nineteen thousand, eight hundred twenty-one".