984549945489 has 24 divisors (see below), whose sum is σ = 1443016569120. Its totient is φ = 596657698560.

The previous prime is 984549945481. The next prime is 984549945503.

It is a happy number.

984549945489 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 984549945489 - 2³ = 984549945481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (984549945481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6012897 + ... + 6174465.

It is an arithmetic number, because the mean of its divisors is an integer number (60125690380).

Almost surely, 2^984549945489 is an apocalyptic number.

It is an amenable number.

984549945489 is a deficient number, since it is larger than the sum of its proper divisors (458466623631).

984549945489 is a wasteful number, since it uses less digits than its factorization.

984549945489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178381 (or 178370 counting only the distinct ones).

The product of its digits is 2687385600, while the sum is 78.

The spelling of 984549945489 in words is "nine hundred eighty-four billion, five hundred forty-nine million, nine hundred forty-five thousand, four hundred eighty-nine".