2184813805001 has 4 divisors (see below), whose sum is σ = 2260152212100. Its totient is φ = 2109475397904.

The previous prime is 2184813804937. The next prime is 2184813805007. The reversal of 2184813805001 is 1005083184812.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1326320755600 + 858493049401 = 1151660^2 + 926549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2184813805001 - 2⁶ = 2184813804937 is a prime.

It is a super-2 number, since 2×2184813805001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2184813805001.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37669203506 + ... + 37669203563.

It is an arithmetic number, because the mean of its divisors is an integer number (565038053025).

Almost surely, 2^{2184813805001} is an apocalyptic number.

It is an amenable number.

2184813805001 is a deficient number, since it is larger than the sum of its proper divisors (75338407099).

2184813805001 is an equidigital number, since it uses as much as digits as its factorization.

2184813805001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75338407098.

The product of its (nonzero) digits is 61440, while the sum is 41.

Adding to 2184813805001 its reverse (1005083184812), we get a palindrome (3189896989813).

The spelling of 2184813805001 in words is "two trillion, one hundred eighty-four billion, eight hundred thirteen million, eight hundred five thousand, one".