42516331139 has 2 divisors, whose sum is σ = 42516331140. Its totient is φ = 42516331138.

The previous prime is 42516331133. The next prime is 42516331183. The reversal of 42516331139 is 93113361524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42516331139 is a prime.

It is a super-2 number, since 2×42516331139² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42516331133) 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, 21258165569 + 21258165570.

It is an arithmetic number, because the mean of its divisors is an integer number (21258165570).

Almost surely, 2^42516331139 is an apocalyptic number.

42516331139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42516331139 is an equidigital number, since it uses as much as digits as its factorization.

42516331139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The spelling of 42516331139 in words is "forty-two billion, five hundred sixteen million, three hundred thirty-one thousand, one hundred thirty-nine".