42424043221127 has 2 divisors, whose sum is σ = 42424043221128. Its totient is φ = 42424043221126.

The previous prime is 42424043221051. The next prime is 42424043221163. The reversal of 42424043221127 is 72112234042424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42424043221127 - 2²⁶ = 42423976112263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42424043221177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212021610563 + 21212021610564.

It is an arithmetic number, because the mean of its divisors is an integer number (21212021610564).

Almost surely, 2^{42424043221127} is an apocalyptic number.

42424043221127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424043221127 is an equidigital number, since it uses as much as digits as its factorization.

42424043221127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 38.

The spelling of 42424043221127 in words is "forty-two trillion, four hundred twenty-four billion, forty-three million, two hundred twenty-one thousand, one hundred twenty-seven".