42442000020239 has 2 divisors, whose sum is σ = 42442000020240. Its totient is φ = 42442000020238.

The previous prime is 42442000020221. The next prime is 42442000020317. The reversal of 42442000020239 is 93202000024424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42442000020239 - 2²⁰ = 42441998971663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42442000020209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221000010119 + 21221000010120.

It is an arithmetic number, because the mean of its divisors is an integer number (21221000010120).

Almost surely, 2^{42442000020239} is an apocalyptic number.

42442000020239 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442000020239 is an equidigital number, since it uses as much as digits as its factorization.

42442000020239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 42442000020239 in words is "forty-two trillion, four hundred forty-two billion, twenty thousand, two hundred thirty-nine".