243013244004 has 36 divisors (see below), whose sum is σ = 622698326796. Its totient is φ = 79894764288.

The previous prime is 243013243999. The next prime is 243013244017. The reversal of 243013244004 is 400442310342.

It is a happy number.

243013244004 is a `hidden beast` number, since 243 + 0 + 13 + 2 + 4 + 400 + 4 = 666.

243013244004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 155355799104 + 87657444900 = 394152^2 + 296070^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×243013244004² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 46232769 + ... + 46238024.

Almost surely, 2^243013244004 is an apocalyptic number.

It is an amenable number.

243013244004 is an abundant number, since it is smaller than the sum of its proper divisors (379685082792).

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

243013244004 is a wasteful number, since it uses less digits than its factorization.

243013244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92470876 (or 92470871 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 243013244004 its reverse (400442310342), we get a palindrome (643455554346).

The spelling of 243013244004 in words is "two hundred forty-three billion, thirteen million, two hundred forty-four thousand, four".