4004781041 has 4 divisors (see below), whose sum is σ = 4005127284. Its totient is φ = 4004434800.

The previous prime is 4004781037. The next prime is 4004781047. The reversal of 4004781041 is 1401874004.

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 3075811600 + 928969441 = 55460^2 + 30479^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004781041 - 2² = 4004781037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4004780995 and 4004781013.

It is not an unprimeable number, because it can be changed into a prime (4004781047) 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, 155150 + ... + 179111.

It is an arithmetic number, because the mean of its divisors is an integer number (1001281821).

Almost surely, 2^4004781041 is an apocalyptic number.

It is an amenable number.

4004781041 is a deficient number, since it is larger than the sum of its proper divisors (346243).

4004781041 is a wasteful number, since it uses less digits than its factorization.

4004781041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346242.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 4004781041 is about 63283.3393635323. The cubic root of 4004781041 is about 1588.0332526130.

The spelling of 4004781041 in words is "four billion, four million, seven hundred eighty-one thousand, forty-one".