2243450420405 has 8 divisors (see below), whose sum is σ = 2694327465984. Its totient is φ = 1793302362000.

The previous prime is 2243450420401. The next prime is 2243450420437. The reversal of 2243450420405 is 5040240543422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2243450420405 - 2² = 2243450420401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243450420401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182240021 + ... + 182252330.

It is an arithmetic number, because the mean of its divisors is an integer number (336790933248).

Almost surely, 2^{2243450420405} is an apocalyptic number.

It is an amenable number.

2243450420405 is a deficient number, since it is larger than the sum of its proper divisors (450877045579).

2243450420405 is a wasteful number, since it uses less digits than its factorization.

2243450420405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364493587.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 2243450420405 its reverse (5040240543422), we get a palindrome (7283690963827).

The spelling of 2243450420405 in words is "two trillion, two hundred forty-three billion, four hundred fifty million, four hundred twenty thousand, four hundred five".