4082109581 has 8 divisors (see below), whose sum is σ = 4715164224. Its totient is φ = 3492713920.

The previous prime is 4082109533. The next prime is 4082109589. The reversal of 4082109581 is 1859012804.

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

It is not a de Polignac number, because 4082109581 - 2⁶ = 4082109517 is a prime.

It is a super-2 number, since 2×4082109581² = 33327237262583991122, 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 (4082109589) 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, 10914545 + ... + 10914918.

It is an arithmetic number, because the mean of its divisors is an integer number (589395528).

Almost surely, 2^4082109581 is an apocalyptic number.

It is an amenable number.

4082109581 is a deficient number, since it is larger than the sum of its proper divisors (633054643).

4082109581 is a wasteful number, since it uses less digits than its factorization.

4082109581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21829491.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 4082109581 is about 63891.3889424858. The cubic root of 4082109581 is about 1598.1893033267.

The spelling of 4082109581 in words is "four billion, eighty-two million, one hundred nine thousand, five hundred eighty-one".