444521350103 has 4 divisors (see below), whose sum is σ = 447352696440. Its totient is φ = 441690003768.

The previous prime is 444521350043. The next prime is 444521350199. The reversal of 444521350103 is 301053125444.

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

It is a cyclic number.

It is not a de Polignac number, because 444521350103 - 2²⁴ = 444504572887 is a prime.

It is a super-2 number, since 2×444521350103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444521350103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444521350003) 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, 1415672933 + ... + 1415673246.

It is an arithmetic number, because the mean of its divisors is an integer number (111838174110).

Almost surely, 2^444521350103 is an apocalyptic number.

444521350103 is a deficient number, since it is larger than the sum of its proper divisors (2831346337).

444521350103 is a wasteful number, since it uses less digits than its factorization.

444521350103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831346336.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 444521350103 its reverse (301053125444), we get a palindrome (745574475547).

The spelling of 444521350103 in words is "four hundred forty-four billion, five hundred twenty-one million, three hundred fifty thousand, one hundred three".