4086445309 has 4 divisors (see below), whose sum is σ = 4117639680. Its totient is φ = 4055250940.

The previous prime is 4086445291. The next prime is 4086445313. The reversal of 4086445309 is 9035446804.

It is a happy number.

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 4086445309 - 2¹⁵ = 4086412541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4086445369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15596989 + ... + 15597250.

It is an arithmetic number, because the mean of its divisors is an integer number (1029409920).

Almost surely, 2^4086445309 is an apocalyptic number.

It is an amenable number.

4086445309 is a deficient number, since it is larger than the sum of its proper divisors (31194371).

4086445309 is a wasteful number, since it uses less digits than its factorization.

4086445309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31194370.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 4086445309 is about 63925.3103942406. The cubic root of 4086445309 is about 1598.7549309877.

The spelling of 4086445309 in words is "four billion, eighty-six million, four hundred forty-five thousand, three hundred nine".