4049150009 has 4 divisors (see below), whose sum is σ = 4050055716. Its totient is φ = 4048244304.

The previous prime is 4049149991. The next prime is 4049150011. The reversal of 4049150009 is 9000519404.

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 3769591609 + 279558400 = 61397^2 + 16720^2 .

It is a cyclic number.

It is not a de Polignac number, because 4049150009 - 2²⁰ = 4048101433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4049150089) 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, 446114 + ... + 455099.

It is an arithmetic number, because the mean of its divisors is an integer number (1012513929).

Almost surely, 2^4049150009 is an apocalyptic number.

It is an amenable number.

4049150009 is a deficient number, since it is larger than the sum of its proper divisors (905707).

4049150009 is an equidigital number, since it uses as much as digits as its factorization.

4049150009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905706.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 4049150009 is about 63632.9317963584. The cubic root of 4049150009 is about 1593.8763335990.

The spelling of 4049150009 in words is "four billion, forty-nine million, one hundred fifty thousand, nine".