9663025725 has 36 divisors (see below), whose sum is σ = 17315085216. Its totient is φ = 5151371040.

The previous prime is 9663025711. The next prime is 9663025739. The reversal of 9663025725 is 5275203669.

9663025725 is a `hidden beast` number, since 9 + 6 + 630 + 2 + 5 + 7 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (9663025711) and next prime (9663025739).

It is not a de Polignac number, because 9663025725 - 2¹⁶ = 9662960189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 595672 + ... + 611678.

Almost surely, 2^9663025725 is an apocalyptic number.

It is an amenable number.

9663025725 is a deficient number, since it is larger than the sum of its proper divisors (7652059491).

9663025725 is a wasteful number, since it uses less digits than its factorization.

9663025725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18706 (or 18698 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 9663025725 is about 98300.6903587152. The cubic root of 9663025725 is about 2129.9580266807.

The spelling of 9663025725 in words is "nine billion, six hundred sixty-three million, twenty-five thousand, seven hundred twenty-five".