243603616445322 has 64 divisors (see below), whose sum is σ = 557293937992704. Its totient is φ = 69540327809280.

The previous prime is 243603616445309. The next prime is 243603616445323. The reversal of 243603616445322 is 223544616306342.

It is not an unprimeable number, because it can be changed into a prime (243603616445323) 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 31 ways as a sum of consecutive naturals, for example, 2628306393 + ... + 2628399075.

It is an arithmetic number, because the mean of its divisors is an integer number (8707717781136).

Almost surely, 2^{243603616445322} is an apocalyptic number.

243603616445322 is an abundant number, since it is smaller than the sum of its proper divisors (313690321547382).

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

243603616445322 is a wasteful number, since it uses less digits than its factorization.

243603616445322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146603.

The product of its (nonzero) digits is 14929920, while the sum is 51.

The spelling of 243603616445322 in words is "two hundred forty-three trillion, six hundred three billion, six hundred sixteen million, four hundred forty-five thousand, three hundred twenty-two".