4538776009 has 4 divisors (see below), whose sum is σ = 4540413204. Its totient is φ = 4537138816.

The previous prime is 4538776007. The next prime is 4538776037. The reversal of 4538776009 is 9006778354.

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 2900145609 + 1638630400 = 53853^2 + 40480^2 .

It is a cyclic number.

It is not a de Polignac number, because 4538776009 - 2¹ = 4538776007 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4538776007) 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, 814432 + ... + 819985.

It is an arithmetic number, because the mean of its divisors is an integer number (1135103301).

Almost surely, 2^4538776009 is an apocalyptic number.

It is an amenable number.

4538776009 is a deficient number, since it is larger than the sum of its proper divisors (1637195).

4538776009 is a wasteful number, since it uses less digits than its factorization.

4538776009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637194.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 4538776009 is about 67370.4386878993. The cubic root of 4538776009 is about 1655.6921264853.

The spelling of 4538776009 in words is "four billion, five hundred thirty-eight million, seven hundred seventy-six thousand, nine".