2146657147 has 2 divisors, whose sum is σ = 2146657148. Its totient is φ = 2146657146.

The previous prime is 2146657141. The next prime is 2146657151. The reversal of 2146657147 is 7417566412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2146657147 - 2¹⁵ = 2146624379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146657141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073328573 + 1073328574.

It is an arithmetic number, because the mean of its divisors is an integer number (1073328574).

Almost surely, 2^2146657147 is an apocalyptic number.

2146657147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146657147 is an equidigital number, since it uses as much as digits as its factorization.

2146657147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 2146657147 is about 46332.0315440625. The cubic root of 2146657147 is about 1289.9936195426.

The spelling of 2146657147 in words is "two billion, one hundred forty-six million, six hundred fifty-seven thousand, one hundred forty-seven".