98404840489 has 4 divisors (see below), whose sum is σ = 103584042640. Its totient is φ = 93225638340.

The previous prime is 98404840487. The next prime is 98404840507.

98404840489 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 not a de Polignac number, because 98404840489 - 2¹ = 98404840487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98404840487) 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, 2589601047 + ... + 2589601084.

It is an arithmetic number, because the mean of its divisors is an integer number (25896010660).

Almost surely, 2^98404840489 is an apocalyptic number.

It is an amenable number.

98404840489 is a deficient number, since it is larger than the sum of its proper divisors (5179202151).

98404840489 is a wasteful number, since it uses less digits than its factorization.

98404840489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179202150.

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 98404840489 in words is "ninety-eight billion, four hundred four million, eight hundred forty thousand, four hundred eighty-nine".