9648904049 has 2 divisors, whose sum is σ = 9648904050. Its totient is φ = 9648904048.

The previous prime is 9648904037. The next prime is 9648904051. The reversal of 9648904049 is 9404098469.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9648150625 + 753424 = 98225^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 9648904049 - 2⁸ = 9648903793 is a prime.

Together with 9648904051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9648904079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824452024 + 4824452025.

It is an arithmetic number, because the mean of its divisors is an integer number (4824452025).

Almost surely, 2^9648904049 is an apocalyptic number.

It is an amenable number.

9648904049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648904049 is an equidigital number, since it uses as much as digits as its factorization.

9648904049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 9648904049 is about 98228.8351198364. The cubic root of 9648904049 is about 2128.9199377037.

The spelling of 9648904049 in words is "nine billion, six hundred forty-eight million, nine hundred four thousand, forty-nine".