4113436661 has 4 divisors (see below), whose sum is σ = 4113564972. Its totient is φ = 4113308352.

The previous prime is 4113436601. The next prime is 4113436667. The reversal of 4113436661 is 1666343114.

4113436661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3220562500 + 892874161 = 56750^2 + 29881^2 .

It is a cyclic number.

It is not a de Polignac number, because 4113436661 - 2¹⁰ = 4113435637 is a prime.

It is a super-3 number, since 3×4113436661³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113436667) 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, 29741 + ... + 95453.

It is an arithmetic number, because the mean of its divisors is an integer number (1028391243).

Almost surely, 2^4113436661 is an apocalyptic number.

It is an amenable number.

4113436661 is a deficient number, since it is larger than the sum of its proper divisors (128311).

4113436661 is an equidigital number, since it uses as much as digits as its factorization.

4113436661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128310.

The product of its digits is 31104, while the sum is 35.

The square root of 4113436661 is about 64136.0792456165. The cubic root of 4113436661 is about 1602.2671844719.

Adding to 4113436661 its reverse (1666343114), we get a palindrome (5779779775).

The spelling of 4113436661 in words is "four billion, one hundred thirteen million, four hundred thirty-six thousand, six hundred sixty-one".