42243124039 has 2 divisors, whose sum is σ = 42243124040. Its totient is φ = 42243124038.

The previous prime is 42243123973. The next prime is 42243124057. The reversal of 42243124039 is 93042134224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42243124039 - 2²¹ = 42241026887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42243123995 and 42243124013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42243104039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121562019 + 21121562020.

It is an arithmetic number, because the mean of its divisors is an integer number (21121562020).

Almost surely, 2^42243124039 is an apocalyptic number.

42243124039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42243124039 is an equidigital number, since it uses as much as digits as its factorization.

42243124039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 42243124039 in words is "forty-two billion, two hundred forty-three million, one hundred twenty-four thousand, thirty-nine".