42436347227 has 2 divisors, whose sum is σ = 42436347228. Its totient is φ = 42436347226.

The previous prime is 42436347167. The next prime is 42436347229. The reversal of 42436347227 is 72274363424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42436347227 - 2¹⁶ = 42436281691 is a prime.

Together with 42436347229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42436347229) 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, 21218173613 + 21218173614.

It is an arithmetic number, because the mean of its divisors is an integer number (21218173614).

Almost surely, 2^42436347227 is an apocalyptic number.

42436347227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42436347227 is an equidigital number, since it uses as much as digits as its factorization.

42436347227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 44.

The spelling of 42436347227 in words is "forty-two billion, four hundred thirty-six million, three hundred forty-seven thousand, two hundred twenty-seven".