442431100001389 has 2 divisors, whose sum is σ = 442431100001390. Its totient is φ = 442431100001388.

The previous prime is 442431100001339. The next prime is 442431100001411. The reversal of 442431100001389 is 983100001134244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417814449060100 + 24616650941289 = 20440510^2 + 4961517^2 .

It is a cyclic number.

It is not a de Polignac number, because 442431100001389 - 2⁴⁷ = 301693611646061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442431100001339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221215550000694 + 221215550000695.

It is an arithmetic number, because the mean of its divisors is an integer number (221215550000695).

Almost surely, 2^{442431100001389} is an apocalyptic number.

It is an amenable number.

442431100001389 is a deficient number, since it is larger than the sum of its proper divisors (1).

442431100001389 is an equidigital number, since it uses as much as digits as its factorization.

442431100001389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 442431100001389 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred million, one thousand, three hundred eighty-nine".