4109579509 has 4 divisors (see below), whose sum is σ = 4696662304. Its totient is φ = 3522496716.

The previous prime is 4109579497. The next prime is 4109579557. The reversal of 4109579509 is 9059759014.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9059759014 = 2 ⋅4529879507.

It is a cyclic number.

It is not a de Polignac number, because 4109579509 - 2¹³ = 4109571317 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 (4109579599) 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, 293541387 + ... + 293541400.

It is an arithmetic number, because the mean of its divisors is an integer number (1174165576).

Almost surely, 2^4109579509 is an apocalyptic number.

It is an amenable number.

4109579509 is a deficient number, since it is larger than the sum of its proper divisors (587082795).

4109579509 is an equidigital number, since it uses as much as digits as its factorization.

4109579509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587082794.

The product of its (nonzero) digits is 510300, while the sum is 49.

The square root of 4109579509 is about 64106.0021292858. The cubic root of 4109579509 is about 1601.7662148202.

The spelling of 4109579509 in words is "four billion, one hundred nine million, five hundred seventy-nine thousand, five hundred nine".