4144665794 has 8 divisors (see below), whose sum is σ = 6224573628. Its totient is φ = 2069807920.

The previous prime is 4144665793. The next prime is 4144665809. The reversal of 4144665794 is 4975664414.

It can be written as a sum of positive squares in 2 ways, for example, as 3664486225 + 480179569 = 60535^2 + 21913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4144665793) 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, 1260437 + ... + 1263720.

Almost surely, 2^4144665794 is an apocalyptic number.

4144665794 is a deficient number, since it is larger than the sum of its proper divisors (2079907834).

4144665794 is a wasteful number, since it uses less digits than its factorization.

4144665794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524980.

The product of its digits is 2903040, while the sum is 50.

The square root of 4144665794 is about 64379.0788533045. The cubic root of 4144665794 is about 1606.3117602379.

The spelling of 4144665794 in words is "four billion, one hundred forty-four million, six hundred sixty-five thousand, seven hundred ninety-four".