4018519109 has 8 divisors (see below), whose sum is σ = 4641712128. Its totient is φ = 3438304960.

The previous prime is 4018519081. The next prime is 4018519117. The reversal of 4018519109 is 9019158104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4018519109 - 2²⁴ = 4001741893 is a prime.

It is a super-2 number, since 2×4018519109² = 32296991658796307762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018519159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10744517 + ... + 10744890.

It is an arithmetic number, because the mean of its divisors is an integer number (580214016).

Almost surely, 2^4018519109 is an apocalyptic number.

It is an amenable number.

4018519109 is a deficient number, since it is larger than the sum of its proper divisors (623193019).

4018519109 is a wasteful number, since it uses less digits than its factorization.

4018519109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489435.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 4018519109 is about 63391.7905489346. The cubic root of 4018519109 is about 1589.8470521233.

The spelling of 4018519109 in words is "four billion, eighteen million, five hundred nineteen thousand, one hundred nine".