42241133447 has 2 divisors, whose sum is σ = 42241133448. Its totient is φ = 42241133446.

The previous prime is 42241133423. The next prime is 42241133449. The reversal of 42241133447 is 74433114224.

42241133447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42241133447 - 2⁶ = 42241133383 is a prime.

Together with 42241133449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42241133449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21120566723 + 21120566724.

It is an arithmetic number, because the mean of its divisors is an integer number (21120566724).

Almost surely, 2^42241133447 is an apocalyptic number.

42241133447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42241133447 is an equidigital number, since it uses as much as digits as its factorization.

42241133447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The spelling of 42241133447 in words is "forty-two billion, two hundred forty-one million, one hundred thirty-three thousand, four hundred forty-seven".