2243410432421 has 4 divisors (see below), whose sum is σ = 2252719189644. Its totient is φ = 2234101675200.

The previous prime is 2243410432397. The next prime is 2243410432433. The reversal of 2243410432421 is 1242340143422.

It is a happy number.

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 805596002500 + 1437814429921 = 897550^2 + 1199089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243410432421 - 2¹⁸ = 2243410170277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243410432321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4654378250 + ... + 4654378731.

It is an arithmetic number, because the mean of its divisors is an integer number (563179797411).

Almost surely, 2^{2243410432421} is an apocalyptic number.

It is an amenable number.

2243410432421 is a deficient number, since it is larger than the sum of its proper divisors (9308757223).

2243410432421 is an equidigital number, since it uses as much as digits as its factorization.

2243410432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308757222.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2243410432421 its reverse (1242340143422), we get a palindrome (3485750575843).

The spelling of 2243410432421 in words is "two trillion, two hundred forty-three billion, four hundred ten million, four hundred thirty-two thousand, four hundred twenty-one".