243151424441 has 4 divisors (see below), whose sum is σ = 243319464192. Its totient is φ = 242983384692.

The previous prime is 243151424419. The next prime is 243151424443. The reversal of 243151424441 is 144424151342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243151424441 - 2²⁶ = 243084315577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243151424443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84017705 + ... + 84020598.

It is an arithmetic number, because the mean of its divisors is an integer number (60829866048).

Almost surely, 2^243151424441 is an apocalyptic number.

It is an amenable number.

243151424441 is a deficient number, since it is larger than the sum of its proper divisors (168039751).

243151424441 is a wasteful number, since it uses less digits than its factorization.

243151424441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168039750.

The product of its digits is 61440, while the sum is 35.

Adding to 243151424441 its reverse (144424151342), we get a palindrome (387575575783).

The spelling of 243151424441 in words is "two hundred forty-three billion, one hundred fifty-one million, four hundred twenty-four thousand, four hundred forty-one".