4044456673 has 4 divisors (see below), whose sum is σ = 4046599620. Its totient is φ = 4042313728.

The previous prime is 4044456629. The next prime is 4044456677. The reversal of 4044456673 is 3766544404.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2773391569 + 1271065104 = 52663^2 + 35652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4044456673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044456677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068640 + ... + 1072417.

It is an arithmetic number, because the mean of its divisors is an integer number (1011649905).

Almost surely, 2^4044456673 is an apocalyptic number.

It is an amenable number.

4044456673 is a deficient number, since it is larger than the sum of its proper divisors (2142947).

4044456673 is a wasteful number, since it uses less digits than its factorization.

4044456673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142946.

The product of its (nonzero) digits is 967680, while the sum is 43.

The square root of 4044456673 is about 63596.0429036273. The cubic root of 4044456673 is about 1593.2602792621.

The spelling of 4044456673 in words is "four billion, forty-four million, four hundred fifty-six thousand, six hundred seventy-three".