4523452891 has 2 divisors, whose sum is σ = 4523452892. Its totient is φ = 4523452890.

The previous prime is 4523452889. The next prime is 4523452909. The reversal of 4523452891 is 1982543254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4523452891 - 2¹ = 4523452889 is a prime.

Together with 4523452889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4523452841) 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, 2261726445 + 2261726446.

It is an arithmetic number, because the mean of its divisors is an integer number (2261726446).

Almost surely, 2^4523452891 is an apocalyptic number.

4523452891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4523452891 is an equidigital number, since it uses as much as digits as its factorization.

4523452891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 4523452891 is about 67256.6196816343. The cubic root of 4523452891 is about 1653.8267946606.

The spelling of 4523452891 in words is "four billion, five hundred twenty-three million, four hundred fifty-two thousand, eight hundred ninety-one".