9701659969 has 4 divisors (see below), whose sum is σ = 10123471296. Its totient is φ = 9279848644.

The previous prime is 9701659967. The next prime is 9701659987. The reversal of 9701659969 is 9699561079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9701659969 - 2¹ = 9701659967 is a prime.

It is a super-2 number, since 2×9701659969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9701659967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210905629 + ... + 210905674.

It is an arithmetic number, because the mean of its divisors is an integer number (2530867824).

Almost surely, 2^9701659969 is an apocalyptic number.

It is an amenable number.

9701659969 is a deficient number, since it is larger than the sum of its proper divisors (421811327).

9701659969 is a wasteful number, since it uses less digits than its factorization.

9701659969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421811326.

The product of its (nonzero) digits is 8266860, while the sum is 61.

The square root of 9701659969 is about 98497.0048732447. The cubic root of 9701659969 is about 2132.7928838294.

The spelling of 9701659969 in words is "nine billion, seven hundred one million, six hundred fifty-nine thousand, nine hundred sixty-nine".