444322424313421 has 4 divisors (see below), whose sum is σ = 456331138484092. Its totient is φ = 432313710142752.

The previous prime is 444322424313373. The next prime is 444322424313461. The reversal of 444322424313421 is 124313424223444.

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 236552859075625 + 207769565237796 = 15380275^2 + 14414214^2 .

It is a cyclic number.

It is not a de Polignac number, because 444322424313421 - 2¹¹ = 444322424311373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444322424313461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6004357085280 + ... + 6004357085353.

It is an arithmetic number, because the mean of its divisors is an integer number (114082784621023).

Almost surely, 2^{444322424313421} is an apocalyptic number.

It is an amenable number.

444322424313421 is a deficient number, since it is larger than the sum of its proper divisors (12008714170671).

444322424313421 is a wasteful number, since it uses less digits than its factorization.

444322424313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008714170670.

The product of its digits is 1769472, while the sum is 43.

Adding to 444322424313421 its reverse (124313424223444), we get a palindrome (568635848536865).

The spelling of 444322424313421 in words is "four hundred forty-four trillion, three hundred twenty-two billion, four hundred twenty-four million, three hundred thirteen thousand, four hundred twenty-one".