42044324039 has 2 divisors, whose sum is σ = 42044324040. Its totient is φ = 42044324038.

The previous prime is 42044324009. The next prime is 42044324087. The reversal of 42044324039 is 93042344024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42044324039 - 2²⁴ = 42027546823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42044324009) 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, 21022162019 + 21022162020.

It is an arithmetic number, because the mean of its divisors is an integer number (21022162020).

Almost surely, 2^42044324039 is an apocalyptic number.

42044324039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044324039 is an equidigital number, since it uses as much as digits as its factorization.

42044324039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 42044324039 in words is "forty-two billion, forty-four million, three hundred twenty-four thousand, thirty-nine".