3778482749 has 2 divisors, whose sum is σ = 3778482750. Its totient is φ = 3778482748.

The previous prime is 3778482691. The next prime is 3778482817. The reversal of 3778482749 is 9472848773.

3778482749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3037663225 + 740819524 = 55115^2 + 27218^2 .

It is an emirp because it is prime and its reverse (9472848773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3778482749 - 2¹⁶ = 3778417213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3778482049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1889241374 + 1889241375.

It is an arithmetic number, because the mean of its divisors is an integer number (1889241375).

Almost surely, 2^3778482749 is an apocalyptic number.

It is an amenable number.

3778482749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3778482749 is an equidigital number, since it uses as much as digits as its factorization.

3778482749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18966528, while the sum is 59.

The square root of 3778482749 is about 61469.3643126395. The cubic root of 3778482749 is about 1557.5397815819.

The spelling of 3778482749 in words is "three billion, seven hundred seventy-eight million, four hundred eighty-two thousand, seven hundred forty-nine".