4050423409 has 4 divisors (see below), whose sum is σ = 4052778660. Its totient is φ = 4048068160.

The previous prime is 4050423379. The next prime is 4050423413. The reversal of 4050423409 is 9043240504.

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 2125671025 + 1924752384 = 46105^2 + 43872^2 .

It is a cyclic number.

It is not a de Polignac number, because 4050423409 - 2²⁷ = 3916205681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4050423479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175044 + ... + 1178485.

It is an arithmetic number, because the mean of its divisors is an integer number (1013194665).

Almost surely, 2^4050423409 is an apocalyptic number.

It is an amenable number.

4050423409 is a deficient number, since it is larger than the sum of its proper divisors (2355251).

4050423409 is a wasteful number, since it uses less digits than its factorization.

4050423409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355250.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 4050423409 is about 63642.9368351273. The cubic root of 4050423409 is about 1594.0433998879.

The spelling of 4050423409 in words is "four billion, fifty million, four hundred twenty-three thousand, four hundred nine".