4115042909 has 4 divisors (see below), whose sum is σ = 4119255804. Its totient is φ = 4110830016.

The previous prime is 4115042879. The next prime is 4115042927. The reversal of 4115042909 is 9092405114.

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 2633947684 + 1481095225 = 51322^2 + 38485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4115042909 is a prime.

It is a super-2 number, since 2×4115042909² = 33867156285822364562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4115042959) 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, 2104982 + ... + 2106935.

It is an arithmetic number, because the mean of its divisors is an integer number (1029813951).

Almost surely, 2^4115042909 is an apocalyptic number.

It is an amenable number.

4115042909 is a deficient number, since it is larger than the sum of its proper divisors (4212895).

4115042909 is an equidigital number, since it uses as much as digits as its factorization.

4115042909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212894.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 4115042909 is about 64148.6002107606. The cubic root of 4115042909 is about 1602.4757127459.

The spelling of 4115042909 in words is "four billion, one hundred fifteen million, forty-two thousand, nine hundred nine".