444051323150443 has 4 divisors (see below), whose sum is σ = 444052971270808. Its totient is φ = 444049675030080.

The previous prime is 444051323150381. The next prime is 444051323150473. The reversal of 444051323150443 is 344051323150444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444051323150443 is a prime.

It is a super-2 number, since 2×444051323150443² (a number of 30 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 444051323150443.

It is not an unprimeable number, because it can be changed into a prime (444051323150473) 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, 823655973 + ... + 824194918.

It is an arithmetic number, because the mean of its divisors is an integer number (111013242817702).

Almost surely, 2^{444051323150443} is an apocalyptic number.

444051323150443 is a deficient number, since it is larger than the sum of its proper divisors (1648120365).

444051323150443 is a wasteful number, since it uses less digits than its factorization.

444051323150443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648120364.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Subtracting from 444051323150443 its reverse (344051323150444), we obtain a palindrome (99999999999999).

The spelling of 444051323150443 in words is "four hundred forty-four trillion, fifty-one billion, three hundred twenty-three million, one hundred fifty thousand, four hundred forty-three".