9648778463 has 2 divisors, whose sum is σ = 9648778464. Its totient is φ = 9648778462.

The previous prime is 9648778459. The next prime is 9648778499. The reversal of 9648778463 is 3648778469.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9648778463 - 2² = 9648778459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9648778396 and 9648778405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9648778423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824389231 + 4824389232.

It is an arithmetic number, because the mean of its divisors is an integer number (4824389232).

Almost surely, 2^9648778463 is an apocalyptic number.

9648778463 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648778463 is an equidigital number, since it uses as much as digits as its factorization.

9648778463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48771072, while the sum is 62.

The square root of 9648778463 is about 98228.1958655457. The cubic root of 9648778463 is about 2128.9107012938.

The spelling of 9648778463 in words is "nine billion, six hundred forty-eight million, seven hundred seventy-eight thousand, four hundred sixty-three".