98447074489 has 4 divisors (see below), whose sum is σ = 98869594356. Its totient is φ = 98024554624.

The previous prime is 98447074471. The next prime is 98447074499.

98447074489 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46799966889 + 51647107600 = 216333^2 + 227260^2 .

It is a cyclic number.

It is not a de Polignac number, because 98447074489 - 2⁷ = 98447074361 is a prime.

It is a super-2 number, since 2×98447074489² (a number of 23 digits) contains 22 as substring.

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 98447074489.

It is not an unprimeable number, because it can be changed into a prime (98447074469) 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, 211259584 + ... + 211260049.

It is an arithmetic number, because the mean of its divisors is an integer number (24717398589).

Almost surely, 2^98447074489 is an apocalyptic number.

It is an amenable number.

98447074489 is a deficient number, since it is larger than the sum of its proper divisors (422519867).

98447074489 is a wasteful number, since it uses less digits than its factorization.

98447074489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422519866.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 98447074489 in words is "ninety-eight billion, four hundred forty-seven million, seventy-four thousand, four hundred eighty-nine".