442435673 has 2 divisors, whose sum is σ = 442435674. Its totient is φ = 442435672.

The previous prime is 442435667. The next prime is 442435703. The reversal of 442435673 is 376534244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 181387024 = 16157^2 + 13468^2 .

It is a cyclic number.

It is not a de Polignac number, because 442435673 - 2⁴ = 442435657 is a prime.

It is not a weakly prime, because it can be changed into another prime (442431673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221217836 + 221217837.

It is an arithmetic number, because the mean of its divisors is an integer number (221217837).

Almost surely, 2^442435673 is an apocalyptic number.

It is an amenable number.

442435673 is a deficient number, since it is larger than the sum of its proper divisors (1).

442435673 is an equidigital number, since it uses as much as digits as its factorization.

442435673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 38.

The square root of 442435673 is about 21034.1549152801. The cubic root of 442435673 is about 761.9913571995.

The spelling of 442435673 in words is "four hundred forty-two million, four hundred thirty-five thousand, six hundred seventy-three".