2184813805000 has 40 divisors (see below), whose sum is σ = 5119018756830. Its totient is φ = 873925520000.

The previous prime is 2184813804937. The next prime is 2184813805007. The reversal of 2184813805000 is 5083184812.

It can be written as a sum of positive squares in 5 ways, for example, as 50625900004 + 2134187904996 = 225002^2 + 1460886^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2184813805000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2184813805007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 218476381 + ... + 218486380.

Almost surely, 2^{2184813805000} is an apocalyptic number.

2184813805000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2184813805000 is an abundant number, since it is smaller than the sum of its proper divisors (2934204951830).

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

2184813805000 is an equidigital number, since it uses as much as digits as its factorization.

2184813805000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436962787 (or 436962768 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

Adding to 2184813805000 its reverse (5083184812), we get a palindrome (2189896989812).

The spelling of 2184813805000 in words is "two trillion, one hundred eighty-four billion, eight hundred thirteen million, eight hundred five thousand".