2148354427 has 2 divisors, whose sum is σ = 2148354428. Its totient is φ = 2148354426.

The previous prime is 2148354419. The next prime is 2148354437. The reversal of 2148354427 is 7244538412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2148354427 - 2³ = 2148354419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2148354427.

It is not a weakly prime, because it can be changed into another prime (2148354407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074177213 + 1074177214.

It is an arithmetic number, because the mean of its divisors is an integer number (1074177214).

Almost surely, 2^2148354427 is an apocalyptic number.

2148354427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148354427 is an equidigital number, since it uses as much as digits as its factorization.

2148354427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 40.

The square root of 2148354427 is about 46350.3444108024. The cubic root of 2148354427 is about 1290.3335129098. Note that the first 3 decimals are identical.

The spelling of 2148354427 in words is "two billion, one hundred forty-eight million, three hundred fifty-four thousand, four hundred twenty-seven".