243213654221024 has 24 divisors (see below), whose sum is σ = 480518849545560. Its totient is φ = 121177121003136.

The previous prime is 243213654221017. The next prime is 243213654221029. The reversal of 243213654221024 is 420122456312342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243213654221029) 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, 13428306659 + ... + 13428324770.

It is an arithmetic number, because the mean of its divisors is an integer number (20021618731065).

Almost surely, 2^{243213654221024} is an apocalyptic number.

It is an amenable number.

243213654221024 is a deficient number, since it is larger than the sum of its proper divisors (237305195324536).

243213654221024 is a wasteful number, since it uses less digits than its factorization.

243213654221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26856631722 (or 26856631714 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 243213654221024 in words is "two hundred forty-three trillion, two hundred thirteen billion, six hundred fifty-four million, two hundred twenty-one thousand, twenty-four".