442431100140443 has 2 divisors, whose sum is σ = 442431100140444. Its totient is φ = 442431100140442.

The previous prime is 442431100140433. The next prime is 442431100140479. The reversal of 442431100140443 is 344041001134244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442431100140443 - 2⁸ = 442431100140187 is a prime.

It is not a weakly prime, because it can be changed into another prime (442431100140433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221215550070221 + 221215550070222.

It is an arithmetic number, because the mean of its divisors is an integer number (221215550070222).

Almost surely, 2^{442431100140443} is an apocalyptic number.

442431100140443 is a deficient number, since it is larger than the sum of its proper divisors (1).

442431100140443 is an equidigital number, since it uses as much as digits as its factorization.

442431100140443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 442431100140443 its reverse (344041001134244), we get a palindrome (786472101274687).

The spelling of 442431100140443 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred million, one hundred forty thousand, four hundred forty-three".