42121424383 has 2 divisors, whose sum is σ = 42121424384. Its totient is φ = 42121424382.

The previous prime is 42121424381. The next prime is 42121424447. The reversal of 42121424383 is 38342412124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42121424383 - 2¹ = 42121424381 is a prime.

Together with 42121424381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42121424381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21060712191 + 21060712192.

It is an arithmetic number, because the mean of its divisors is an integer number (21060712192).

Almost surely, 2^42121424383 is an apocalyptic number.

42121424383 is a deficient number, since it is larger than the sum of its proper divisors (1).

42121424383 is an equidigital number, since it uses as much as digits as its factorization.

42121424383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The spelling of 42121424383 in words is "forty-two billion, one hundred twenty-one million, four hundred twenty-four thousand, three hundred eighty-three".