989041000449 has 8 divisors (see below), whose sum is σ = 1318726194112. Its totient is φ = 659358236880.

The previous prime is 989041000429. The next prime is 989041000483. The reversal of 989041000449 is 944000140989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 989041000449 - 2¹¹ = 989040998401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 989041000398 and 989041000407.

It is not an unprimeable number, because it can be changed into a prime (989041000429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824052 + ... + 1630074.

It is an arithmetic number, because the mean of its divisors is an integer number (164840774264).

It is a Proth number, since it is equal to 943223 ⋅ 2²⁰ + 1 and 943223 < 2²⁰.

Almost surely, 2^989041000449 is an apocalyptic number.

It is an amenable number.

989041000449 is a deficient number, since it is larger than the sum of its proper divisors (329685193663).

989041000449 is a wasteful number, since it uses less digits than its factorization.

989041000449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215047.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 989041000449 in words is "nine hundred eighty-nine billion, forty-one million, four hundred forty-nine", and thus it is an aban number.