42435034354439 has 2 divisors, whose sum is σ = 42435034354440. Its totient is φ = 42435034354438.

The previous prime is 42435034354409. The next prime is 42435034354441. The reversal of 42435034354439 is 93445343053424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42435034354439 - 2⁸ = 42435034354183 is a prime.

Together with 42435034354441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42435034354409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217517177219 + 21217517177220.

It is an arithmetic number, because the mean of its divisors is an integer number (21217517177220).

Almost surely, 2^{42435034354439} is an apocalyptic number.

42435034354439 is a deficient number, since it is larger than the sum of its proper divisors (1).

42435034354439 is an equidigital number, since it uses as much as digits as its factorization.

42435034354439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 53.

The spelling of 42435034354439 in words is "forty-two trillion, four hundred thirty-five billion, thirty-four million, three hundred fifty-four thousand, four hundred thirty-nine".