4081777241 has 4 divisors (see below), whose sum is σ = 4148691684. Its totient is φ = 4014862800.

The previous prime is 4081777213. The next prime is 4081777253. The reversal of 4081777241 is 1427771804.

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 1643491600 + 2438285641 = 40540^2 + 49379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4081777241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4081677241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33457130 + ... + 33457251.

It is an arithmetic number, because the mean of its divisors is an integer number (1037172921).

Almost surely, 2^4081777241 is an apocalyptic number.

It is an amenable number.

4081777241 is a deficient number, since it is larger than the sum of its proper divisors (66914443).

4081777241 is an equidigital number, since it uses as much as digits as its factorization.

4081777241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66914442.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 4081777241 is about 63888.7880695823. The cubic root of 4081777241 is about 1598.1459306018.

The spelling of 4081777241 in words is "four billion, eighty-one million, seven hundred seventy-seven thousand, two hundred forty-one".