442014403289 has 2 divisors, whose sum is σ = 442014403290. Its totient is φ = 442014403288.

The previous prime is 442014403279. The next prime is 442014403339. The reversal of 442014403289 is 982304410244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230887938064 + 211126465225 = 480508^2 + 459485^2 .

It is a cyclic number.

It is not a de Polignac number, because 442014403289 - 2²⁸ = 441745967833 is a prime.

It is not a weakly prime, because it can be changed into another prime (442014403279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221007201644 + 221007201645.

It is an arithmetic number, because the mean of its divisors is an integer number (221007201645).

Almost surely, 2^442014403289 is an apocalyptic number.

It is an amenable number.

442014403289 is a deficient number, since it is larger than the sum of its proper divisors (1).

442014403289 is an equidigital number, since it uses as much as digits as its factorization.

442014403289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 442014403289 in words is "four hundred forty-two billion, fourteen million, four hundred three thousand, two hundred eighty-nine".