42244304233 has 2 divisors, whose sum is σ = 42244304234. Its totient is φ = 42244304232.

The previous prime is 42244304231. The next prime is 42244304269. The reversal of 42244304233 is 33240344224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23701218304 + 18543085929 = 153952^2 + 136173^2 .

It is a cyclic number.

It is not a de Polignac number, because 42244304233 - 2¹ = 42244304231 is a prime.

Together with 42244304231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42244304195 and 42244304204.

It is not a weakly prime, because it can be changed into another prime (42244304231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122152116 + 21122152117.

It is an arithmetic number, because the mean of its divisors is an integer number (21122152117).

Almost surely, 2^42244304233 is an apocalyptic number.

It is an amenable number.

42244304233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42244304233 is an equidigital number, since it uses as much as digits as its factorization.

42244304233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 42244304233 its reverse (33240344224), we get a palindrome (75484648457).

The spelling of 42244304233 in words is "forty-two billion, two hundred forty-four million, three hundred four thousand, two hundred thirty-three".