243044014221 has 12 divisors (see below), whose sum is σ = 362388208000. Its totient is φ = 156802589640.

The previous prime is 243044014067. The next prime is 243044014249. The reversal of 243044014221 is 122410440342.

243044014221 is a `hidden beast` number, since 2 + 4 + 30 + 4 + 401 + 4 + 221 = 666.

It is not a de Polignac number, because 243044014221 - 2¹⁴ = 243043997837 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 (243044014261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435562471 + ... + 435563028.

Almost surely, 2^243044014221 is an apocalyptic number.

It is an amenable number.

243044014221 is a deficient number, since it is larger than the sum of its proper divisors (119344193779).

243044014221 is a wasteful number, since it uses less digits than its factorization.

243044014221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871125536 (or 871125533 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 243044014221 its reverse (122410440342), we get a palindrome (365454454563).

The spelling of 243044014221 in words is "two hundred forty-three billion, forty-four million, fourteen thousand, two hundred twenty-one".