444242331422345 has 4 divisors (see below), whose sum is σ = 533090797706820. Its totient is φ = 355393865137872.

The previous prime is 444242331422299. The next prime is 444242331422347. The reversal of 444242331422345 is 543224133242444.

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 327376804912249 + 116865526510096 = 18093557^2 + 10810436^2 .

It is a cyclic number.

It is not a de Polignac number, because 444242331422345 - 2⁴⁶ = 373873587244681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444242331422345.

It is not an unprimeable number, because it can be changed into a prime (444242331422347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44424233142230 + ... + 44424233142239.

It is an arithmetic number, because the mean of its divisors is an integer number (133272699426705).

Almost surely, 2^{444242331422345} is an apocalyptic number.

It is an amenable number.

444242331422345 is a deficient number, since it is larger than the sum of its proper divisors (88848466284475).

444242331422345 is an equidigital number, since it uses as much as digits as its factorization.

444242331422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88848466284474.

The product of its digits is 8847360, while the sum is 47.

Adding to 444242331422345 its reverse (543224133242444), we get a palindrome (987466464664789).

The spelling of 444242331422345 in words is "four hundred forty-four trillion, two hundred forty-two billion, three hundred thirty-one million, four hundred twenty-two thousand, three hundred forty-five".