989219744352 has 216 divisors, whose sum is σ = 3273194977416. Its totient is φ = 282563334144.

The previous prime is 989219744339. The next prime is 989219744423. The reversal of 989219744352 is 253447912989.

989219744352 is a `hidden beast` number, since 9 + 8 + 9 + 2 + 197 + 4 + 435 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 989219744352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 86260923 + ... + 86272389.

It is an arithmetic number, because the mean of its divisors is an integer number (15153680451).

Almost surely, 2^989219744352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989219744352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636597488708).

989219744352 is an abundant number, since it is smaller than the sum of its proper divisors (2283975233064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989219744352 is a wasteful number, since it uses less digits than its factorization.

989219744352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17610 (or 17592 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 989219744352 in words is "nine hundred eighty-nine billion, two hundred nineteen million, seven hundred forty-four thousand, three hundred fifty-two".