9808240428089 has 4 divisors (see below), whose sum is σ = 10124635280640. Its totient is φ = 9491845575540.

The previous prime is 9808240427989. The next prime is 9808240428131.

9808240428089 is nontrivially palindromic in base 10.

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-9808240428089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9808240424089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158197426229 + ... + 158197426290.

It is an arithmetic number, because the mean of its divisors is an integer number (2531158820160).

Almost surely, 2^{9808240428089} is an apocalyptic number.

It is an amenable number.

9808240428089 is a deficient number, since it is larger than the sum of its proper divisors (316394852551).

9808240428089 is a wasteful number, since it uses less digits than its factorization.

9808240428089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316394852550.

The product of its (nonzero) digits is 21233664, while the sum is 62.

The spelling of 9808240428089 in words is "nine trillion, eight hundred eight billion, two hundred forty million, four hundred twenty-eight thousand, eighty-nine".