442154321017 has 2 divisors, whose sum is σ = 442154321018. Its totient is φ = 442154321016.

The previous prime is 442154320997. The next prime is 442154321023. The reversal of 442154321017 is 710123451244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322596736576 + 119557584441 = 567976^2 + 345771^2 .

It is a cyclic number.

It is not a de Polignac number, because 442154321017 - 2¹⁹ = 442153796729 is a prime.

It is not a weakly prime, because it can be changed into another prime (442154321617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221077160508 + 221077160509.

It is an arithmetic number, because the mean of its divisors is an integer number (221077160509).

Almost surely, 2^442154321017 is an apocalyptic number.

It is an amenable number.

442154321017 is a deficient number, since it is larger than the sum of its proper divisors (1).

442154321017 is an equidigital number, since it uses as much as digits as its factorization.

442154321017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 442154321017 in words is "four hundred forty-two billion, one hundred fifty-four million, three hundred twenty-one thousand, seventeen".