4458899891 has 2 divisors, whose sum is σ = 4458899892. Its totient is φ = 4458899890.

The previous prime is 4458899873. The next prime is 4458899923. The reversal of 4458899891 is 1989988544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4458899891 - 2²² = 4454705587 is a prime.

It is not a weakly prime, because it can be changed into another prime (4458892891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229449945 + 2229449946.

It is an arithmetic number, because the mean of its divisors is an integer number (2229449946).

Almost surely, 2^4458899891 is an apocalyptic number.

4458899891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4458899891 is an equidigital number, since it uses as much as digits as its factorization.

4458899891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29859840, while the sum is 65.

The square root of 4458899891 is about 66774.9945039309. The cubic root of 4458899891 is about 1645.9219636899.

The spelling of 4458899891 in words is "four billion, four hundred fifty-eight million, eight hundred ninety-nine thousand, eight hundred ninety-one".