442130721203 has 2 divisors, whose sum is σ = 442130721204. Its totient is φ = 442130721202.

The previous prime is 442130721161. The next prime is 442130721239. The reversal of 442130721203 is 302127031244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442130721203 - 2¹⁰ = 442130720179 is a prime.

It is not a weakly prime, because it can be changed into another prime (442130720203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221065360601 + 221065360602.

It is an arithmetic number, because the mean of its divisors is an integer number (221065360602).

Almost surely, 2^442130721203 is an apocalyptic number.

442130721203 is a deficient number, since it is larger than the sum of its proper divisors (1).

442130721203 is an equidigital number, since it uses as much as digits as its factorization.

442130721203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 442130721203 its reverse (302127031244), we get a palindrome (744257752447).

The spelling of 442130721203 in words is "four hundred forty-two billion, one hundred thirty million, seven hundred twenty-one thousand, two hundred three".