243112017744446 has 64 divisors (see below), whose sum is σ = 379216967500800. Its totient is φ = 116814229056000.

The previous prime is 243112017744413. The next prime is 243112017744469. The reversal of 243112017744446 is 644447710211342.

It is a junction number, because it is equal to n+sod(n) for n = 243112017744394 and 243112017744403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3692938751 + ... + 3693004581.

It is an arithmetic number, because the mean of its divisors is an integer number (5925265117200).

Almost surely, 2^{243112017744446} is an apocalyptic number.

243112017744446 is a deficient number, since it is larger than the sum of its proper divisors (136104949756354).

243112017744446 is a wasteful number, since it uses less digits than its factorization.

243112017744446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68745.

The product of its (nonzero) digits is 3612672, while the sum is 50.

Adding to 243112017744446 its reverse (644447710211342), we get a palindrome (887559727955788).

The spelling of 243112017744446 in words is "two hundred forty-three trillion, one hundred twelve billion, seventeen million, seven hundred forty-four thousand, four hundred forty-six".