2001776041 has 2 divisors, whose sum is σ = 2001776042. Its totient is φ = 2001776040.

The previous prime is 2001776039. The next prime is 2001776093. The reversal of 2001776041 is 1406771002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1560566016 + 441210025 = 39504^2 + 21005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001776041 - 2¹ = 2001776039 is a prime.

Together with 2001776039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2001776941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000888020 + 1000888021.

It is an arithmetic number, because the mean of its divisors is an integer number (1000888021).

Almost surely, 2^2001776041 is an apocalyptic number.

It is an amenable number.

2001776041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001776041 is an equidigital number, since it uses as much as digits as its factorization.

2001776041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2001776041 is about 44741.2118856877. The cubic root of 2001776041 is about 1260.2938847952.

The spelling of 2001776041 in words is "two billion, one million, seven hundred seventy-six thousand, forty-one".