9649954969 has 2 divisors, whose sum is σ = 9649954970. Its totient is φ = 9649954968.

The previous prime is 9649954961. The next prime is 9649954997. The reversal of 9649954969 is 9694599469.

9649954969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9645793369 + 4161600 = 98213^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 9649954969 - 2³ = 9649954961 is a prime.

It is a super-2 number, since 2×9649954969² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9649954898 and 9649954907.

It is not a weakly prime, because it can be changed into another prime (9649954961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824977484 + 4824977485.

It is an arithmetic number, because the mean of its divisors is an integer number (4824977485).

Almost surely, 2^9649954969 is an apocalyptic number.

It is an amenable number.

9649954969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9649954969 is an equidigital number, since it uses as much as digits as its factorization.

9649954969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170061120, while the sum is 70.

The square root of 9649954969 is about 98234.1843199199. The cubic root of 9649954969 is about 2128.9972260433.

The spelling of 9649954969 in words is "nine billion, six hundred forty-nine million, nine hundred fifty-four thousand, nine hundred sixty-nine".