442150450321 has 4 divisors (see below), whose sum is σ = 442593932212. Its totient is φ = 441706968432.

The previous prime is 442150450277. The next prime is 442150450333. The reversal of 442150450321 is 123054051244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187544428096 + 254606022225 = 433064^2 + 504585^2 .

It is a cyclic number.

It is not a de Polignac number, because 442150450321 - 2¹⁷ = 442150319249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442150451321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221739450 + ... + 221741443.

It is an arithmetic number, because the mean of its divisors is an integer number (110648483053).

Almost surely, 2^442150450321 is an apocalyptic number.

It is an amenable number.

442150450321 is a deficient number, since it is larger than the sum of its proper divisors (443481891).

442150450321 is an equidigital number, since it uses as much as digits as its factorization.

442150450321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443481890.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 442150450321 in words is "four hundred forty-two billion, one hundred fifty million, four hundred fifty thousand, three hundred twenty-one".