243432242541 has 8 divisors (see below), whose sum is σ = 360640359360. Its totient is φ = 162288161676.

The previous prime is 243432242467. The next prime is 243432242591. The reversal of 243432242541 is 145242234342.

243432242541 is a `hidden beast` number, since 2 + 43 + 4 + 32 + 2 + 42 + 541 = 666.

It is not a de Polignac number, because 243432242541 - 2⁷ = 243432242413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243432242496 and 243432242505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243432242591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4508004465 + ... + 4508004518.

It is an arithmetic number, because the mean of its divisors is an integer number (45080044920).

Almost surely, 2^243432242541 is an apocalyptic number.

It is an amenable number.

243432242541 is a deficient number, since it is larger than the sum of its proper divisors (117208116819).

243432242541 is an equidigital number, since it uses as much as digits as its factorization.

243432242541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016008992 (or 9016008986 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 243432242541 its reverse (145242234342), we get a palindrome (388674476883).

The spelling of 243432242541 in words is "two hundred forty-three billion, four hundred thirty-two million, two hundred forty-two thousand, five hundred forty-one".