3939069825 has 96 divisors (see below), whose sum is σ = 7476247680. Its totient is φ = 2032128000.

The previous prime is 3939069821. The next prime is 3939069833. The reversal of 3939069825 is 5289609393.

It is not a de Polignac number, because 3939069825 - 2² = 3939069821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3939069821) 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 95 ways as a sum of consecutive naturals, for example, 3279225 + ... + 3280425.

It is an arithmetic number, because the mean of its divisors is an integer number (77877580).

Almost surely, 2^3939069825 is an apocalyptic number.

It is an amenable number.

3939069825 is a deficient number, since it is larger than the sum of its proper divisors (3537177855).

3939069825 is a wasteful number, since it uses less digits than its factorization.

3939069825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 3939069825 is about 62762.0094085586. The cubic root of 3939069825 is about 1579.2997250599.

The spelling of 3939069825 in words is "three billion, nine hundred thirty-nine million, sixty-nine thousand, eight hundred twenty-five".