243733570652 has 96 divisors (see below), whose sum is σ = 507589334784. Its totient is φ = 100944230400.

The previous prime is 243733570649. The next prime is 243733570667. The reversal of 243733570652 is 256075337342.

It is a junction number, because it is equal to n+sod(n) for n = 243733570597 and 243733570606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98796323 + ... + 98798789.

It is an arithmetic number, because the mean of its divisors is an integer number (5287388904).

Almost surely, 2^243733570652 is an apocalyptic number.

243733570652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243733570652 is an abundant number, since it is smaller than the sum of its proper divisors (263855764132).

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

243733570652 is a wasteful number, since it uses less digits than its factorization.

243733570652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 47.

The spelling of 243733570652 in words is "two hundred forty-three billion, seven hundred thirty-three million, five hundred seventy thousand, six hundred fifty-two".