4421895813 has 8 divisors (see below), whose sum is σ = 6550956800. Its totient is φ = 2947930524.

The previous prime is 4421895811. The next prime is 4421895827. The reversal of 4421895813 is 3185981244.

4421895813 is a `hidden beast` number, since 44 + 21 + 8 + 9 + 581 + 3 = 666.

It is not a de Polignac number, because 4421895813 - 2¹ = 4421895811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421895811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81886933 + ... + 81886986.

It is an arithmetic number, because the mean of its divisors is an integer number (818869600).

Almost surely, 2^4421895813 is an apocalyptic number.

It is an amenable number.

4421895813 is a deficient number, since it is larger than the sum of its proper divisors (2129060987).

4421895813 is a wasteful number, since it uses less digits than its factorization.

4421895813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163773928 (or 163773922 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4421895813 is about 66497.3368865250. The cubic root of 4421895813 is about 1641.3561820216.

The spelling of 4421895813 in words is "four billion, four hundred twenty-one million, eight hundred ninety-five thousand, eight hundred thirteen".