42242004433 has 2 divisors, whose sum is σ = 42242004434. Its totient is φ = 42242004432.

The previous prime is 42242004361. The next prime is 42242004449. The reversal of 42242004433 is 33440024224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38319237009 + 3922767424 = 195753^2 + 62632^2 .

It is a cyclic number.

It is not a de Polignac number, because 42242004433 - 2²⁵ = 42208450001 is a prime.

It is not a weakly prime, because it can be changed into another prime (42242001433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121002216 + 21121002217.

It is an arithmetic number, because the mean of its divisors is an integer number (21121002217).

Almost surely, 2^42242004433 is an apocalyptic number.

It is an amenable number.

42242004433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242004433 is an equidigital number, since it uses as much as digits as its factorization.

42242004433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42242004433 its reverse (33440024224), we get a palindrome (75682028657).

The spelling of 42242004433 in words is "forty-two billion, two hundred forty-two million, four thousand, four hundred thirty-three".