43242444433 has 4 divisors (see below), whose sum is σ = 43975367280. Its totient is φ = 42509521588.

The previous prime is 43242444419. The next prime is 43242444437. The reversal of 43242444433 is 33444424234.

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 a de Polignac number, because none of the positive numbers 2^k-43242444433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43242444392 and 43242444401.

It is not an unprimeable number, because it can be changed into a prime (43242444437) 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, 366461335 + ... + 366461452.

It is an arithmetic number, because the mean of its divisors is an integer number (10993841820).

Almost surely, 2^43242444433 is an apocalyptic number.

It is an amenable number.

43242444433 is a deficient number, since it is larger than the sum of its proper divisors (732922847).

43242444433 is an equidigital number, since it uses as much as digits as its factorization.

43242444433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732922846.

The product of its digits is 442368, while the sum is 37.

Adding to 43242444433 its reverse (33444424234), we get a palindrome (76686868667).

The spelling of 43242444433 in words is "forty-three billion, two hundred forty-two million, four hundred forty-four thousand, four hundred thirty-three".