243062047538 has 18 divisors (see below), whose sum is σ = 368829812631. Its totient is φ = 120134828704.

The previous prime is 243062047511. The next prime is 243062047549. The reversal of 243062047538 is 835740260342.

243062047538 is digitally balanced in base 3, 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 5 ways, for example, as 122113205809 + 120948841729 = 349447^2 + 347777^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=348613.

It is a super-2 number, since 2×243062047538² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62051156 + ... + 62055072.

Almost surely, 2^243062047538 is an apocalyptic number.

243062047538 is a deficient number, since it is larger than the sum of its proper divisors (125767765093).

243062047538 is an frugal number, since it uses more digits than its factorization.

243062047538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 243062047538 in words is "two hundred forty-three billion, sixty-two million, forty-seven thousand, five hundred thirty-eight".