984845548489 has 12 divisors (see below), whose sum is σ = 1082645730180. Its totient is φ = 895206989600.

The previous prime is 984845548481. The next prime is 984845548523.

984845548489 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 266970622864 + 717874925625 = 516692^2 + 847275^2 .

It is not a de Polignac number, because 984845548489 - 2³ = 984845548481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984845548481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537099 + ... + 1502719.

It is an arithmetic number, because the mean of its divisors is an integer number (90220477515).

Almost surely, 2^984845548489 is an apocalyptic number.

It is an amenable number.

984845548489 is a deficient number, since it is larger than the sum of its proper divisors (97800181691).

984845548489 is a wasteful number, since it uses less digits than its factorization.

984845548489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974072 (or 974061 counting only the distinct ones).

The product of its digits is 2123366400, while the sum is 76.

The spelling of 984845548489 in words is "nine hundred eighty-four billion, eight hundred forty-five million, five hundred forty-eight thousand, four hundred eighty-nine".