44159693 has 4 divisors (see below), whose sum is σ = 46757340. Its totient is φ = 41562048.

The previous prime is 44159681. The next prime is 44159719. The reversal of 44159693 is 39695144.

44159693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23164969 + 20994724 = 4813^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 44159693 - 2¹⁰ = 44158669 is a prime.

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 44159693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44159623) 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, 1298798 + ... + 1298831.

It is an arithmetic number, because the mean of its divisors is an integer number (11689335).

Almost surely, 2^44159693 is an apocalyptic number.

It is an amenable number.

44159693 is a deficient number, since it is larger than the sum of its proper divisors (2597647).

44159693 is a wasteful number, since it uses less digits than its factorization.

44159693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597646.

The product of its digits is 116640, while the sum is 41.

The square root of 44159693 is about 6645.2759912588. The cubic root of 44159693 is about 353.4614178053.

The spelling of 44159693 in words is "forty-four million, one hundred fifty-nine thousand, six hundred ninety-three".