4481391853 has 2 divisors, whose sum is σ = 4481391854. Its totient is φ = 4481391852.

The previous prime is 4481391847. The next prime is 4481391907. The reversal of 4481391853 is 3581931844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4063680009 + 417711844 = 63747^2 + 20438^2 .

It is a cyclic number.

It is not a de Polignac number, because 4481391853 - 2⁵ = 4481391821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4481397853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2240695926 + 2240695927.

It is an arithmetic number, because the mean of its divisors is an integer number (2240695927).

Almost surely, 2^4481391853 is an apocalyptic number.

It is an amenable number.

4481391853 is a deficient number, since it is larger than the sum of its proper divisors (1).

4481391853 is an equidigital number, since it uses as much as digits as its factorization.

4481391853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 4481391853 is about 66943.1987060672. The cubic root of 4481391853 is about 1648.6848231783.

The spelling of 4481391853 in words is "four billion, four hundred eighty-one million, three hundred ninety-one thousand, eight hundred fifty-three".