4785780749 has 2 divisors, whose sum is σ = 4785780750. Its totient is φ = 4785780748.

The previous prime is 4785780739. The next prime is 4785780787. The reversal of 4785780749 is 9470875874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4136805124 + 648975625 = 64318^2 + 25475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4785780749 - 2⁴ = 4785780733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4785780739) 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, 2392890374 + 2392890375.

It is an arithmetic number, because the mean of its divisors is an integer number (2392890375).

Almost surely, 2^4785780749 is an apocalyptic number.

It is an amenable number.

4785780749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4785780749 is an equidigital number, since it uses as much as digits as its factorization.

4785780749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The square root of 4785780749 is about 69179.3375871727. The cubic root of 4785780749 is about 1685.1979913337.

The spelling of 4785780749 in words is "four billion, seven hundred eighty-five million, seven hundred eighty thousand, seven hundred forty-nine".