3847409904525 has 24 divisors (see below), whose sum is σ = 6939328411104. Its totient is φ = 1865410862400.

The previous prime is 3847409904511. The next prime is 3847409904529. The reversal of 3847409904525 is 5254099047483.

It is a happy number.

It is not a de Polignac number, because 3847409904525 - 2⁶ = 3847409904461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847409904529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2331762754 + ... + 2331764403.

It is an arithmetic number, because the mean of its divisors is an integer number (289138683796).

Almost surely, 2^{3847409904525} is an apocalyptic number.

It is an amenable number.

3847409904525 is a deficient number, since it is larger than the sum of its proper divisors (3091918506579).

3847409904525 is a wasteful number, since it uses less digits than its factorization.

3847409904525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663527181 (or 4663527176 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 3847409904525 in words is "three trillion, eight hundred forty-seven billion, four hundred nine million, nine hundred four thousand, five hundred twenty-five".