3840825647 has 2 divisors, whose sum is σ = 3840825648. Its totient is φ = 3840825646.

The previous prime is 3840825587. The next prime is 3840825671. The reversal of 3840825647 is 7465280483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3840825647 - 2¹⁰ = 3840824623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3840827647) 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, 1920412823 + 1920412824.

It is an arithmetic number, because the mean of its divisors is an integer number (1920412824).

Almost surely, 2^3840825647 is an apocalyptic number.

3840825647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840825647 is an equidigital number, since it uses as much as digits as its factorization.

3840825647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 3840825647 is about 61974.3950918442. The cubic root of 3840825647 is about 1566.0592810193.

The spelling of 3840825647 in words is "three billion, eight hundred forty million, eight hundred twenty-five thousand, six hundred forty-seven".