442114009 has 2 divisors, whose sum is σ = 442114010. Its totient is φ = 442114008.

The previous prime is 442113979. The next prime is 442114091. The reversal of 442114009 is 900411244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361114009 + 81000000 = 19003^2 + 9000^2 .

It is a cyclic number.

It is not a de Polignac number, because 442114009 - 2¹¹ = 442111961 is a prime.

It is not a weakly prime, because it can be changed into another prime (442114609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221057004 + 221057005.

It is an arithmetic number, because the mean of its divisors is an integer number (221057005).

Almost surely, 2^442114009 is an apocalyptic number.

It is an amenable number.

442114009 is a deficient number, since it is larger than the sum of its proper divisors (1).

442114009 is an equidigital number, since it uses as much as digits as its factorization.

442114009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 442114009 is about 21026.5072943654. The cubic root of 442114009 is about 761.8066489082.

The spelling of 442114009 in words is "four hundred forty-two million, one hundred fourteen thousand, nine".