243213413414436 has 72 divisors (see below), whose sum is σ = 640039984704120. Its totient is φ = 77777010694656.

The previous prime is 243213413414431. The next prime is 243213413414471. The reversal of 243213413414436 is 634414314312342.

243213413414436 is a `hidden beast` number, since 2 + 4 + 3 + 213 + 4 + 13 + 414 + 4 + 3 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11891945340900 + 231321468073536 = 3448470^2 + 15209256^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 243213413414391 and 243213413414400.

It is not an unprimeable number, because it can be changed into a prime (243213413414431) 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 23 ways as a sum of consecutive naturals, for example, 741756601 + ... + 742084416.

Almost surely, 2^{243213413414436} is an apocalyptic number.

It is an amenable number.

243213413414436 is an abundant number, since it is smaller than the sum of its proper divisors (396826571289684).

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

243213413414436 is a wasteful number, since it uses less digits than its factorization.

243213413414436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483841213 (or 1483841208 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 45.

Adding to 243213413414436 its reverse (634414314312342), we get a palindrome (877627727726778).

The spelling of 243213413414436 in words is "two hundred forty-three trillion, two hundred thirteen billion, four hundred thirteen million, four hundred fourteen thousand, four hundred thirty-six".