444301131442121 has 4 divisors (see below), whose sum is σ = 444346196989200. Its totient is φ = 444256065895044.

The previous prime is 444301131442039. The next prime is 444301131442177. The reversal of 444301131442121 is 121244131103444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444301131442121 - 2¹⁸ = 444301131179977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444301131412121) 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, 22532758751 + ... + 22532778468.

It is an arithmetic number, because the mean of its divisors is an integer number (111086549247300).

Almost surely, 2^{444301131442121} is an apocalyptic number.

It is an amenable number.

444301131442121 is a deficient number, since it is larger than the sum of its proper divisors (45065547079).

444301131442121 is an equidigital number, since it uses as much as digits as its factorization.

444301131442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45065547078.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 444301131442121 its reverse (121244131103444), we get a palindrome (565545262545565).

The spelling of 444301131442121 in words is "four hundred forty-four trillion, three hundred one billion, one hundred thirty-one million, four hundred forty-two thousand, one hundred twenty-one".