9629446249 has 2 divisors, whose sum is σ = 9629446250. Its totient is φ = 9629446248.

The previous prime is 9629446241. The next prime is 9629446283. The reversal of 9629446249 is 9426449269.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9595573849 + 33872400 = 97957^2 + 5820^2 .

It is a cyclic number.

It is not a de Polignac number, because 9629446249 - 2³ = 9629446241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9629446249.

It is not a weakly prime, because it can be changed into another prime (9629446241) 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 as a sum of consecutive naturals, namely, 4814723124 + 4814723125.

It is an arithmetic number, because the mean of its divisors is an integer number (4814723125).

Almost surely, 2^9629446249 is an apocalyptic number.

It is an amenable number.

9629446249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9629446249 is an equidigital number, since it uses as much as digits as its factorization.

9629446249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 55.

The square root of 9629446249 is about 98129.7419185437. The cubic root of 9629446249 is about 2127.4879279331.

The spelling of 9629446249 in words is "nine billion, six hundred twenty-nine million, four hundred forty-six thousand, two hundred forty-nine".