243731853084 has 72 divisors (see below), whose sum is σ = 585240490128. Its totient is φ = 78933761280.

The previous prime is 243731853061. The next prime is 243731853103. The reversal of 243731853084 is 480358137342.

It is a super-2 number, since 2×243731853084² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3901374 + ... + 3963354.

Almost surely, 2^243731853084 is an apocalyptic number.

It is an amenable number.

243731853084 is an abundant number, since it is smaller than the sum of its proper divisors (341508637044).

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

243731853084 is a wasteful number, since it uses less digits than its factorization.

243731853084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62195 (or 62126 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 243731853084 in words is "two hundred forty-three billion, seven hundred thirty-one million, eight hundred fifty-three thousand, eighty-four".