9648366638469 has 16 divisors (see below), whose sum is σ = 14300970238464. Its totient is φ = 5745925540800.

The previous prime is 9648366638441. The next prime is 9648366638483.

9648366638469 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9648366638469 - 2⁹ = 9648366637957 is a prime.

It is a super-2 number, since 2×9648366638469² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9648366638394 and 9648366638403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9648366638269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3990224862 + ... + 3990227279.

It is an arithmetic number, because the mean of its divisors is an integer number (893810639904).

Almost surely, 2^{9648366638469} is an apocalyptic number.

It is an amenable number.

9648366638469 is a deficient number, since it is larger than the sum of its proper divisors (4652603599995).

9648366638469 is a wasteful number, since it uses less digits than its factorization.

9648366638469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980452188.

The product of its digits is 5804752896, while the sum is 78.

The spelling of 9648366638469 in words is "nine trillion, six hundred forty-eight billion, three hundred sixty-six million, six hundred thirty-eight thousand, four hundred sixty-nine".