2785413749 has 2 divisors, whose sum is σ = 2785413750. Its totient is φ = 2785413748.

The previous prime is 2785413707. The next prime is 2785413793. The reversal of 2785413749 is 9473145872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2228784100 + 556629649 = 47210^2 + 23593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2785413749 - 2²⁸ = 2516978293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2785413697 and 2785413706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2785413649) 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, 1392706874 + 1392706875.

It is an arithmetic number, because the mean of its divisors is an integer number (1392706875).

Almost surely, 2^2785413749 is an apocalyptic number.

It is an amenable number.

2785413749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785413749 is an equidigital number, since it uses as much as digits as its factorization.

2785413749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 2785413749 is about 52777.0191371207. The cubic root of 2785413749 is about 1407.0080158534.

The spelling of 2785413749 in words is "two billion, seven hundred eighty-five million, four hundred thirteen thousand, seven hundred forty-nine".