948948964121 has 2 divisors, whose sum is σ = 948948964122. Its totient is φ = 948948964120.

The previous prime is 948948964081. The next prime is 948948964133. The reversal of 948948964121 is 121469849849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760054419721 + 188894544400 = 871811^2 + 434620^2 .

It is an emirp because it is prime and its reverse (121469849849) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948948964121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (948948964921) 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, 474474482060 + 474474482061.

It is an arithmetic number, because the mean of its divisors is an integer number (474474482061).

Almost surely, 2^948948964121 is an apocalyptic number.

It is an amenable number.

948948964121 is a deficient number, since it is larger than the sum of its proper divisors (1).

948948964121 is an equidigital number, since it uses as much as digits as its factorization.

948948964121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 65.

The spelling of 948948964121 in words is "nine hundred forty-eight billion, nine hundred forty-eight million, nine hundred sixty-four thousand, one hundred twenty-one".