9648778469 has 8 divisors (see below), whose sum is σ = 10652759712. Its totient is φ = 8665933840.

The previous prime is 9648778463. The next prime is 9648778499.

9648778469 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9648778469 - 2⁴ = 9648778453 is a prime.

It is a super-2 number, since 2×9648778469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9648778399 and 9648778408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9648778463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5283194 + ... + 5285019.

It is an arithmetic number, because the mean of its divisors is an integer number (1331594964).

Almost surely, 2^9648778469 is an apocalyptic number.

It is an amenable number.

9648778469 is a deficient number, since it is larger than the sum of its proper divisors (1003981243).

9648778469 is a wasteful number, since it uses less digits than its factorization.

9648778469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10568307.

The product of its digits is 146313216, while the sum is 68.

The square root of 9648778469 is about 98228.1958960868. The cubic root of 9648778469 is about 2128.9107017351.

The spelling of 9648778469 in words is "nine billion, six hundred forty-eight million, seven hundred seventy-eight thousand, four hundred sixty-nine".