42424421420233 has 2 divisors, whose sum is σ = 42424421420234. Its totient is φ = 42424421420232.

The previous prime is 42424421420221. The next prime is 42424421420279. The reversal of 42424421420233 is 33202412442424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41707210604544 + 717210815689 = 6458112^2 + 846883^2 .

It is a cyclic number.

It is not a de Polignac number, because 42424421420233 - 2⁵ = 42424421420201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42424421420192 and 42424421420201.

It is not a weakly prime, because it can be changed into another prime (42424421420333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212210710116 + 21212210710117.

It is an arithmetic number, because the mean of its divisors is an integer number (21212210710117).

Almost surely, 2^{42424421420233} is an apocalyptic number.

It is an amenable number.

42424421420233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424421420233 is an equidigital number, since it uses as much as digits as its factorization.

42424421420233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 42424421420233 its reverse (33202412442424), we get a palindrome (75626833862657).

The spelling of 42424421420233 in words is "forty-two trillion, four hundred twenty-four billion, four hundred twenty-one million, four hundred twenty thousand, two hundred thirty-three".