2148322471 has 2 divisors, whose sum is σ = 2148322472. Its totient is φ = 2148322470.

The previous prime is 2148322433. The next prime is 2148322481. The reversal of 2148322471 is 1742238412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2148322471 - 2¹¹ = 2148320423 is a prime.

It is a super-3 number, since 3×2148322471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074161235 + 1074161236.

It is an arithmetic number, because the mean of its divisors is an integer number (1074161236).

Almost surely, 2^2148322471 is an apocalyptic number.

2148322471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148322471 is an equidigital number, since it uses as much as digits as its factorization.

2148322471 is an evil number, because the sum of its binary digits is even.

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

The square root of 2148322471 is about 46349.9996871629. Note that the first 3 decimals coincide. The cubic root of 2148322471 is about 1290.3271151290.

The spelling of 2148322471 in words is "two billion, one hundred forty-eight million, three hundred twenty-two thousand, four hundred seventy-one".