2189403419904 has 144 divisors (see below), whose sum is σ = 6477373371840. Its totient is φ = 729471744000.

The previous prime is 2189403419887. The next prime is 2189403419921. The reversal of 2189403419904 is 4099143049812.

2189403419904 is a `hidden beast` number, since 2 + 189 + 40 + 3 + 419 + 9 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2189403419887) and next prime (2189403419921).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15488554 + ... + 15629270.

Almost surely, 2^{2189403419904} is an apocalyptic number.

2189403419904 is a gapful number since it is divisible by the number (24) 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 2189403419904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3238686685920).

2189403419904 is an abundant number, since it is smaller than the sum of its proper divisors (4287969951936).

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

2189403419904 is a wasteful number, since it uses less digits than its factorization.

2189403419904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142993 (or 142973 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 2189403419904 in words is "two trillion, one hundred eighty-nine billion, four hundred three million, four hundred nineteen thousand, nine hundred four".