4452827891 has 4 divisors (see below), whose sum is σ = 4556382072. Its totient is φ = 4349273712.

The previous prime is 4452827857. The next prime is 4452827903. The reversal of 4452827891 is 1987282544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4452827891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4452827191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51777026 + ... + 51777111.

It is an arithmetic number, because the mean of its divisors is an integer number (1139095518).

Almost surely, 2^4452827891 is an apocalyptic number.

4452827891 is a deficient number, since it is larger than the sum of its proper divisors (103554181).

4452827891 is a wasteful number, since it uses less digits than its factorization.

4452827891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103554180.

The product of its digits is 1290240, while the sum is 50.

The square root of 4452827891 is about 66729.5128934717. The cubic root of 4452827891 is about 1645.1745014329.

The spelling of 4452827891 in words is "four billion, four hundred fifty-two million, eight hundred twenty-seven thousand, eight hundred ninety-one".