243434044041 has 4 divisors (see below), whose sum is σ = 324578725392. Its totient is φ = 162289362692.

The previous prime is 243434044031. The next prime is 243434044043. The reversal of 243434044041 is 140440434342.

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 243434044041 - 2⁹ = 243434043529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243434043993 and 243434044011.

It is not an unprimeable number, because it can be changed into a prime (243434044043) 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, 40572340671 + ... + 40572340676.

It is an arithmetic number, because the mean of its divisors is an integer number (81144681348).

Almost surely, 2^243434044041 is an apocalyptic number.

It is an amenable number.

243434044041 is a deficient number, since it is larger than the sum of its proper divisors (81144681351).

243434044041 is an equidigital number, since it uses as much as digits as its factorization.

243434044041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81144681350.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 243434044041 its reverse (140440434342), we get a palindrome (383874478383).

The spelling of 243434044041 in words is "two hundred forty-three billion, four hundred thirty-four million, forty-four thousand, forty-one".