9656725505 has 8 divisors (see below), whose sum is σ = 13243509312. Its totient is φ = 6621754608.

The previous prime is 9656725499. The next prime is 9656725511. The reversal of 9656725505 is 5055276569.

It is an interprime number because it is at equal distance from previous prime (9656725499) and next prime (9656725511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9656725505 - 2⁴ = 9656725489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137953187 + ... + 137953256.

It is an arithmetic number, because the mean of its divisors is an integer number (1655438664).

Almost surely, 2^9656725505 is an apocalyptic number.

It is an amenable number.

9656725505 is a deficient number, since it is larger than the sum of its proper divisors (3586783807).

9656725505 is a wasteful number, since it uses less digits than its factorization.

9656725505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275906455.

The product of its (nonzero) digits is 2835000, while the sum is 50.

The square root of 9656725505 is about 98268.6394787269. The cubic root of 9656725505 is about 2129.4950205097.

The spelling of 9656725505 in words is "nine billion, six hundred fifty-six million, seven hundred twenty-five thousand, five hundred five".