243042012441 has 12 divisors (see below), whose sum is σ = 356300397232. Its totient is φ = 159609679416.

The previous prime is 243042012431. The next prime is 243042012457. The reversal of 243042012441 is 144210240342.

243042012441 is a `hidden beast` number, since 2 + 430 + 4 + 201 + 24 + 4 + 1 = 666.

It is not a de Polignac number, because 243042012441 - 2³⁷ = 105603058969 is a prime.

It is a super-2 number, since 2×243042012441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243042012431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201526771 + ... + 201527976.

Almost surely, 2^243042012441 is an apocalyptic number.

It is an amenable number.

243042012441 is a deficient number, since it is larger than the sum of its proper divisors (113258384791).

243042012441 is a wasteful number, since it uses less digits than its factorization.

243042012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403054820 (or 403054817 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 243042012441 its reverse (144210240342), we get a palindrome (387252252783).

The spelling of 243042012441 in words is "two hundred forty-three billion, forty-two million, twelve thousand, four hundred forty-one".