444243142003 has 4 divisors (see below), whose sum is σ = 444244520080. Its totient is φ = 444241763928.

The previous prime is 444243142001. The next prime is 444243142033. The reversal of 444243142003 is 300241342444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 444243142003 - 2¹ = 444243142001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444243142001) 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, 82426 + ... + 946192.

It is an arithmetic number, because the mean of its divisors is an integer number (111061130020).

Almost surely, 2^444243142003 is an apocalyptic number.

444243142003 is a deficient number, since it is larger than the sum of its proper divisors (1378077).

444243142003 is an equidigital number, since it uses as much as digits as its factorization.

444243142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378076.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 444243142003 its reverse (300241342444), we get a palindrome (744484484447).

The spelling of 444243142003 in words is "four hundred forty-four billion, two hundred forty-three million, one hundred forty-two thousand, three".