42435334350389 has 2 divisors, whose sum is σ = 42435334350390. Its totient is φ = 42435334350388.

The previous prime is 42435334350371. The next prime is 42435334350413. The reversal of 42435334350389 is 98305343353424.

42435334350389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26729830608100 + 15705503742289 = 5170090^2 + 3963017^2 .

It is a cyclic number.

It is not a de Polignac number, because 42435334350389 - 2³² = 42431039383093 is a prime.

It is a super-4 number, since 4×42435334350389⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42435334350349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217667175194 + 21217667175195.

It is an arithmetic number, because the mean of its divisors is an integer number (21217667175195).

Almost surely, 2^{42435334350389} is an apocalyptic number.

It is an amenable number.

42435334350389 is a deficient number, since it is larger than the sum of its proper divisors (1).

42435334350389 is an equidigital number, since it uses as much as digits as its factorization.

42435334350389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55987200, while the sum is 56.

The spelling of 42435334350389 in words is "forty-two trillion, four hundred thirty-five billion, three hundred thirty-four million, three hundred fifty thousand, three hundred eighty-nine".