42442014187 has 2 divisors, whose sum is σ = 42442014188. Its totient is φ = 42442014186.

The previous prime is 42442014179. The next prime is 42442014229. The reversal of 42442014187 is 78141024424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42442014187 - 2³ = 42442014179 is a prime.

It is not a weakly prime, because it can be changed into another prime (42442014127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221007093 + 21221007094.

It is an arithmetic number, because the mean of its divisors is an integer number (21221007094).

Almost surely, 2^42442014187 is an apocalyptic number.

42442014187 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442014187 is an equidigital number, since it uses as much as digits as its factorization.

42442014187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 37.

The spelling of 42442014187 in words is "forty-two billion, four hundred forty-two million, fourteen thousand, one hundred eighty-seven".