4444163513 has 4 divisors (see below), whose sum is σ = 4444372560. Its totient is φ = 4443954468.

The previous prime is 4444163501. The next prime is 4444163527. The reversal of 4444163513 is 3153614444.

4444163513 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4444163513 - 2⁴ = 4444163497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444103513) 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, 68495 + ... + 116532.

It is an arithmetic number, because the mean of its divisors is an integer number (1111093140).

Almost surely, 2^4444163513 is an apocalyptic number.

It is an amenable number.

4444163513 is a deficient number, since it is larger than the sum of its proper divisors (209047).

4444163513 is a wasteful number, since it uses less digits than its factorization.

4444163513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209046.

The product of its digits is 69120, while the sum is 35.

The square root of 4444163513 is about 66664.5596475369. The cubic root of 4444163513 is about 1644.1067403310.

Adding to 4444163513 its reverse (3153614444), we get a palindrome (7597777957).

The spelling of 4444163513 in words is "four billion, four hundred forty-four million, one hundred sixty-three thousand, five hundred thirteen".