4481189509 has 4 divisors (see below), whose sum is σ = 4500422316. Its totient is φ = 4461956704.

The previous prime is 4481189437. The next prime is 4481189563. The reversal of 4481189509 is 9059811844.

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 1905322500 + 2575867009 = 43650^2 + 50753^2 .

It is a cyclic number.

It is not a de Polignac number, because 4481189509 - 2¹¹ = 4481187461 is a prime.

It is a super-2 number, since 2×4481189509² = 40162118831143322162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481189509) 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, 9616054 + ... + 9616519.

It is an arithmetic number, because the mean of its divisors is an integer number (1125105579).

Almost surely, 2^4481189509 is an apocalyptic number.

It is an amenable number.

4481189509 is a deficient number, since it is larger than the sum of its proper divisors (19232807).

4481189509 is a wasteful number, since it uses less digits than its factorization.

4481189509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19232806.

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 4481189509 is about 66941.6873778963. The cubic root of 4481189509 is about 1648.6600089752.

The spelling of 4481189509 in words is "four billion, four hundred eighty-one million, one hundred eighty-nine thousand, five hundred nine".