442333333249 has 2 divisors, whose sum is σ = 442333333250. Its totient is φ = 442333333248.

The previous prime is 442333333241. The next prime is 442333333271. The reversal of 442333333249 is 942333333244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232150512400 + 210182820849 = 481820^2 + 458457^2 .

It is a cyclic number.

It is not a de Polignac number, because 442333333249 - 2³ = 442333333241 is a prime.

It is not a weakly prime, because it can be changed into another prime (442333333241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221166666624 + 221166666625.

It is an arithmetic number, because the mean of its divisors is an integer number (221166666625).

Almost surely, 2^442333333249 is an apocalyptic number.

It is an amenable number.

442333333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

442333333249 is an equidigital number, since it uses as much as digits as its factorization.

442333333249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 43.

The spelling of 442333333249 in words is "four hundred forty-two billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred forty-nine".