442431100140433 has 2 divisors, whose sum is σ = 442431100140434. Its totient is φ = 442431100140432.

The previous prime is 442431100140391. The next prime is 442431100140443. The reversal of 442431100140433 is 334041001134244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426021860248209 + 16409239892224 = 20640297^2 + 4050832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442431100140433 is a prime.

It is a super-3 number, since 3×442431100140433³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (442431100140443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221215550070216 + 221215550070217.

It is an arithmetic number, because the mean of its divisors is an integer number (221215550070217).

Almost surely, 2^{442431100140433} is an apocalyptic number.

It is an amenable number.

442431100140433 is a deficient number, since it is larger than the sum of its proper divisors (1).

442431100140433 is an equidigital number, since it uses as much as digits as its factorization.

442431100140433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 442431100140433 its reverse (334041001134244), we get a palindrome (776472101274677).

The spelling of 442431100140433 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred million, one hundred forty thousand, four hundred thirty-three".