3969025725 has 36 divisors (see below), whose sum is σ = 7633496544. Its totient is φ = 1814410080.

The previous prime is 3969025699. The next prime is 3969025769. The reversal of 3969025725 is 5275209693.

It is not a de Polignac number, because 3969025725 - 2⁵ = 3969025693 is a prime.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 536329 + ... + 543678.

Almost surely, 2^3969025725 is an apocalyptic number.

3969025725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3969025725 is a deficient number, since it is larger than the sum of its proper divisors (3664470819).

3969025725 is a wasteful number, since it uses less digits than its factorization.

3969025725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080034 (or 1080022 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 3969025725 is about 63000.2041663358. The cubic root of 3969025725 is about 1583.2930470513.

The spelling of 3969025725 in words is "three billion, nine hundred sixty-nine million, twenty-five thousand, seven hundred twenty-five".