444030121220143 has 4 divisors (see below), whose sum is σ = 448341093270928. Its totient is φ = 439719149169360.

The previous prime is 444030121220141. The next prime is 444030121220173. The reversal of 444030121220143 is 341022121030444.

It is a happy number.

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 444030121220143 - 2¹ = 444030121220141 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 (444030121220141) 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, 2155486025238 + ... + 2155486025443.

It is an arithmetic number, because the mean of its divisors is an integer number (112085273317732).

Almost surely, 2^{444030121220143} is an apocalyptic number.

444030121220143 is a deficient number, since it is larger than the sum of its proper divisors (4310972050785).

444030121220143 is a wasteful number, since it uses less digits than its factorization.

444030121220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310972050784.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 444030121220143 its reverse (341022121030444), we get a palindrome (785052242250587).

The spelling of 444030121220143 in words is "four hundred forty-four trillion, thirty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred forty-three".