2189363904000 has 4320 divisors, whose sum is σ = 10906868228256. Its totient is φ = 434759270400.

The previous prime is 2189363903989. The next prime is 2189363904067. The reversal of 2189363904000 is 4093639812.

It is a happy number.

2189363904000 is a `hidden beast` number, since 2 + 1 + 8 + 9 + 3 + 639 + 0 + 4 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 128786111992 + ... + 128786112008.

Almost surely, 2^{2189363904000} is an apocalyptic number.

2189363904000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2189363904000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5453434114128).

2189363904000 is an abundant number, since it is smaller than the sum of its proper divisors (8717504324256).

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

2189363904000 is an equidigital number, since it uses as much as digits as its factorization.

2189363904000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 2189363904000 in words is "two trillion, one hundred eighty-nine billion, three hundred sixty-three million, nine hundred four thousand".