442014473 has 2 divisors, whose sum is σ = 442014474. Its totient is φ = 442014472.

The previous prime is 442014457. The next prime is 442014527. The reversal of 442014473 is 374410244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427786489 + 14227984 = 20683^2 + 3772^2 .

It is a cyclic number.

It is not a de Polignac number, because 442014473 - 2⁴ = 442014457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (442014373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221007236 + 221007237.

It is an arithmetic number, because the mean of its divisors is an integer number (221007237).

Almost surely, 2^442014473 is an apocalyptic number.

It is an amenable number.

442014473 is a deficient number, since it is larger than the sum of its proper divisors (1).

442014473 is an equidigital number, since it uses as much as digits as its factorization.

442014473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 442014473 is about 21024.1402440147. The cubic root of 442014473 is about 761.7494744568.

The spelling of 442014473 in words is "four hundred forty-two million, fourteen thousand, four hundred seventy-three".