42319419127 has 2 divisors, whose sum is σ = 42319419128. Its totient is φ = 42319419126.

The previous prime is 42319419067. The next prime is 42319419139. The reversal of 42319419127 is 72191491324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42319419127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42319419187) 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, 21159709563 + 21159709564.

It is an arithmetic number, because the mean of its divisors is an integer number (21159709564).

Almost surely, 2^42319419127 is an apocalyptic number.

42319419127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42319419127 is an equidigital number, since it uses as much as digits as its factorization.

42319419127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The spelling of 42319419127 in words is "forty-two billion, three hundred nineteen million, four hundred nineteen thousand, one hundred twenty-seven".