2148322417 has 2 divisors, whose sum is σ = 2148322418. Its totient is φ = 2148322416.

The previous prime is 2148322411. The next prime is 2148322427. The reversal of 2148322417 is 7142238412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1360060641 + 788261776 = 36879^2 + 28076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148322417 - 2³¹ = 838769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2148322411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074161208 + 1074161209.

It is an arithmetic number, because the mean of its divisors is an integer number (1074161209).

Almost surely, 2^2148322417 is an apocalyptic number.

It is an amenable number.

2148322417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148322417 is an equidigital number, since it uses as much as digits as its factorization.

2148322417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The square root of 2148322417 is about 46349.9991046386. Note that the first 3 decimals coincide. The cubic root of 2148322417 is about 1290.3271043178.

The spelling of 2148322417 in words is "two billion, one hundred forty-eight million, three hundred twenty-two thousand, four hundred seventeen".