3840857329 has 2 divisors, whose sum is σ = 3840857330. Its totient is φ = 3840857328.

The previous prime is 3840857323. The next prime is 3840857333. The reversal of 3840857329 is 9237580483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3656983729 + 183873600 = 60473^2 + 13560^2 .

It is a cyclic number.

It is not a de Polignac number, because 3840857329 - 2⁵ = 3840857297 is a prime.

It is not a weakly prime, because it can be changed into another prime (3840857323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920428664 + 1920428665.

It is an arithmetic number, because the mean of its divisors is an integer number (1920428665).

Almost surely, 2^3840857329 is an apocalyptic number.

It is an amenable number.

3840857329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840857329 is an equidigital number, since it uses as much as digits as its factorization.

3840857329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 3840857329 is about 61974.6506968777. The cubic root of 3840857329 is about 1566.0635870165.

The spelling of 3840857329 in words is "three billion, eight hundred forty million, eight hundred fifty-seven thousand, three hundred twenty-nine".