9689601765 has 16 divisors (see below), whose sum is σ = 15510440448. Its totient is φ = 5165428416.

The previous prime is 9689601749. The next prime is 9689601781. The reversal of 9689601765 is 5671069869.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9689601749) and next prime (9689601781).

It is not a de Polignac number, because 9689601765 - 2⁴ = 9689601749 is a prime.

It is a super-2 number, since 2×9689601765² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113242 + ... + 179451.

It is an arithmetic number, because the mean of its divisors is an integer number (969402528).

Almost surely, 2^9689601765 is an apocalyptic number.

It is an amenable number.

9689601765 is a deficient number, since it is larger than the sum of its proper divisors (5820838683).

9689601765 is a wasteful number, since it uses less digits than its factorization.

9689601765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294908.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 9689601765 is about 98435.7748229779. The cubic root of 9689601765 is about 2131.9089006086.

The spelling of 9689601765 in words is "nine billion, six hundred eighty-nine million, six hundred one thousand, seven hundred sixty-five".