9948348569 has 2 divisors, whose sum is σ = 9948348570. Its totient is φ = 9948348568.

The previous prime is 9948348559. The next prime is 9948348583. The reversal of 9948348569 is 9658438499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8646582169 + 1301766400 = 92987^2 + 36080^2 .

It is an emirp because it is prime and its reverse (9658438499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9948348569 is a prime.

It is a super-2 number, since 2×9948348569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9948348559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974174284 + 4974174285.

It is an arithmetic number, because the mean of its divisors is an integer number (4974174285).

Almost surely, 2^9948348569 is an apocalyptic number.

It is an amenable number.

9948348569 is a deficient number, since it is larger than the sum of its proper divisors (1).

9948348569 is an equidigital number, since it uses as much as digits as its factorization.

9948348569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 65.

The square root of 9948348569 is about 99741.4084971733. The cubic root of 9948348569 is about 2150.7189640932.

The spelling of 9948348569 in words is "nine billion, nine hundred forty-eight million, three hundred forty-eight thousand, five hundred sixty-nine".