2494663841 has 2 divisors, whose sum is σ = 2494663842. Its totient is φ = 2494663840.

The previous prime is 2494663777. The next prime is 2494663849. The reversal of 2494663841 is 1483664942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716030625 + 778633216 = 41425^2 + 27904^2 .

It is a cyclic number.

It is not a de Polignac number, because 2494663841 - 2⁶ = 2494663777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2494663849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247331920 + 1247331921.

It is an arithmetic number, because the mean of its divisors is an integer number (1247331921).

Almost surely, 2^2494663841 is an apocalyptic number.

It is an amenable number.

2494663841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494663841 is an equidigital number, since it uses as much as digits as its factorization.

2494663841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 47.

The square root of 2494663841 is about 49946.6099049775. The cubic root of 2494663841 is about 1356.2424828425.

The spelling of 2494663841 in words is "two billion, four hundred ninety-four million, six hundred sixty-three thousand, eight hundred forty-one".