9699559969 has 4 divisors (see below), whose sum is σ = 10581338160. Its totient is φ = 8817781780.

The previous prime is 9699559943. The next prime is 9699560011.

It is a happy number.

9699559969 is nontrivially palindromic in base 10.

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 9699559969 - 2⁷ = 9699559841 is a prime.

It is a super-2 number, since 2×9699559969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9699559895 and 9699559904.

It is not an unprimeable number, because it can be changed into a prime (9699559069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440889079 + ... + 440889100.

It is an arithmetic number, because the mean of its divisors is an integer number (2645334540).

Almost surely, 2^9699559969 is an apocalyptic number.

It is an amenable number.

9699559969 is a deficient number, since it is larger than the sum of its proper divisors (881778191).

9699559969 is a wasteful number, since it uses less digits than its factorization.

9699559969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881778190.

The product of its digits is 478296900, while the sum is 76.

The square root of 9699559969 is about 98486.3440736836. The cubic root of 9699559969 is about 2132.6389861709.

The spelling of 9699559969 in words is "nine billion, six hundred ninety-nine million, five hundred fifty-nine thousand, nine hundred sixty-nine".