42233444417 has 2 divisors, whose sum is σ = 42233444418. Its totient is φ = 42233444416.

The previous prime is 42233444411. The next prime is 42233444431. The reversal of 42233444417 is 71444433224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38870488336 + 3362956081 = 197156^2 + 57991^2 .

It is a cyclic number.

It is not a de Polignac number, because 42233444417 - 2²⁶ = 42166335553 is a prime.

It is not a weakly prime, because it can be changed into another prime (42233444411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21116722208 + 21116722209.

It is an arithmetic number, because the mean of its divisors is an integer number (21116722209).

Almost surely, 2^42233444417 is an apocalyptic number.

It is an amenable number.

42233444417 is a deficient number, since it is larger than the sum of its proper divisors (1).

42233444417 is an equidigital number, since it uses as much as digits as its factorization.

42233444417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 38.

The spelling of 42233444417 in words is "forty-two billion, two hundred thirty-three million, four hundred forty-four thousand, four hundred seventeen".