442643750008847 has 2 divisors, whose sum is σ = 442643750008848. Its totient is φ = 442643750008846.

The previous prime is 442643750008751. The next prime is 442643750008849. The reversal of 442643750008847 is 748800057346244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442643750008847 - 2³² = 442639455041551 is a prime.

Together with 442643750008849, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442643750008847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442643750008849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221321875004423 + 221321875004424.

It is an arithmetic number, because the mean of its divisors is an integer number (221321875004424).

Almost surely, 2^{442643750008847} is an apocalyptic number.

442643750008847 is a deficient number, since it is larger than the sum of its proper divisors (1).

442643750008847 is an equidigital number, since it uses as much as digits as its factorization.

442643750008847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144506880, while the sum is 62.

The spelling of 442643750008847 in words is "four hundred forty-two trillion, six hundred forty-three billion, seven hundred fifty million, eight thousand, eight hundred forty-seven".