3932539646825 has 12 divisors (see below), whose sum is σ = 4882467567180. Its totient is φ = 3142084359360.

The previous prime is 3932539646821. The next prime is 3932539646851. The reversal of 3932539646825 is 5286469352393.

It can be written as a sum of positive squares in 6 ways, for example, as 207010440256 + 3725529206569 = 454984^2 + 1930163^2 .

It is not a de Polignac number, because 3932539646825 - 2² = 3932539646821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3932539646821) 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 11 ways as a sum of consecutive naturals, for example, 98663630 + ... + 98703479.

It is an arithmetic number, because the mean of its divisors is an integer number (406872297265).

Almost surely, 2^{3932539646825} is an apocalyptic number.

It is an amenable number.

3932539646825 is a deficient number, since it is larger than the sum of its proper divisors (949927920355).

3932539646825 is a wasteful number, since it uses less digits than its factorization.

3932539646825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197367916 (or 197367911 counting only the distinct ones).

The product of its digits is 251942400, while the sum is 65.

The spelling of 3932539646825 in words is "three trillion, nine hundred thirty-two billion, five hundred thirty-nine million, six hundred forty-six thousand, eight hundred twenty-five".