42003134443 has 2 divisors, whose sum is σ = 42003134444. Its totient is φ = 42003134442.

The previous prime is 42003134401. The next prime is 42003134471. The reversal of 42003134443 is 34443130024.

It is an a-pointer prime, because the next prime (42003134471) can be obtained adding 42003134443 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42003134443 - 2²¹ = 42001037291 is a prime.

It is not a weakly prime, because it can be changed into another prime (42003134143) 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, 21001567221 + 21001567222.

It is an arithmetic number, because the mean of its divisors is an integer number (21001567222).

Almost surely, 2^42003134443 is an apocalyptic number.

42003134443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003134443 is an equidigital number, since it uses as much as digits as its factorization.

42003134443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42003134443 its reverse (34443130024), we get a palindrome (76446264467).

The spelling of 42003134443 in words is "forty-two billion, three million, one hundred thirty-four thousand, four hundred forty-three".