42439282111 has 2 divisors, whose sum is σ = 42439282112. Its totient is φ = 42439282110.

The previous prime is 42439282073. The next prime is 42439282121. The reversal of 42439282111 is 11128293424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42439282111 - 2²³ = 42430893503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42439282121) 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, 21219641055 + 21219641056.

It is an arithmetic number, because the mean of its divisors is an integer number (21219641056).

Almost surely, 2^42439282111 is an apocalyptic number.

42439282111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42439282111 is an equidigital number, since it uses as much as digits as its factorization.

42439282111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The spelling of 42439282111 in words is "forty-two billion, four hundred thirty-nine million, two hundred eighty-two thousand, one hundred eleven".