3789381249 has 12 divisors (see below), whose sum is σ = 5483177700. Its totient is φ = 2521810944.

The previous prime is 3789381247. The next prime is 3789381263. The reversal of 3789381249 is 9421839873.

It can be written as a sum of positive squares in 2 ways, for example, as 1144130625 + 2645250624 = 33825^2 + 51432^2 .

It is not a de Polignac number, because 3789381249 - 2¹ = 3789381247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3789381195 and 3789381204.

It is not an unprimeable number, because it can be changed into a prime (3789381247) 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 in 11 ways as a sum of consecutive naturals, for example, 364864 + ... + 375105.

It is an arithmetic number, because the mean of its divisors is an integer number (456931475).

Almost surely, 2^3789381249 is an apocalyptic number.

It is an amenable number.

3789381249 is a deficient number, since it is larger than the sum of its proper divisors (1693796451).

3789381249 is a wasteful number, since it uses less digits than its factorization.

3789381249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740544 (or 740541 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3789381249 is about 61557.9503313747. The cubic root of 3789381249 is about 1559.0358453039.

The spelling of 3789381249 in words is "three billion, seven hundred eighty-nine million, three hundred eighty-one thousand, two hundred forty-nine".