9648936970913 has 2 divisors, whose sum is σ = 9648936970914. Its totient is φ = 9648936970912.

The previous prime is 9648936970903. The next prime is 9648936970927. The reversal of 9648936970913 is 3190796398469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9071318730769 + 577618240144 = 3011863^2 + 760012^2 .

It is a cyclic number.

It is not a de Polignac number, because 9648936970913 - 2⁸ = 9648936970657 is a prime.

It is not a weakly prime, because it can be changed into another prime (9648936970903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824468485456 + 4824468485457.

It is an arithmetic number, because the mean of its divisors is an integer number (4824468485457).

Almost surely, 2^{9648936970913} is an apocalyptic number.

It is an amenable number.

9648936970913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648936970913 is an equidigital number, since it uses as much as digits as its factorization.

9648936970913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476171136, while the sum is 74.

The spelling of 9648936970913 in words is "nine trillion, six hundred forty-eight billion, nine hundred thirty-six million, nine hundred seventy thousand, nine hundred thirteen".