4466666845 has 4 divisors (see below), whose sum is σ = 5360000220. Its totient is φ = 3573333472.

The previous prime is 4466666843. The next prime is 4466666863. The reversal of 4466666845 is 5486666644.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1140953284 + 3325713561 = 33778^2 + 57669^2 .

It is a cyclic number.

It is not a de Polignac number, because 4466666845 - 2¹ = 4466666843 is a prime.

It is a super-2 number, since 2×4466666845² = 39902225408444508050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4466666843) 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 in 3 ways as a sum of consecutive naturals, for example, 446666680 + ... + 446666689.

It is an arithmetic number, because the mean of its divisors is an integer number (1340000055).

Almost surely, 2^4466666845 is an apocalyptic number.

It is an amenable number.

4466666845 is a deficient number, since it is larger than the sum of its proper divisors (893333375).

4466666845 is an equidigital number, since it uses as much as digits as its factorization.

4466666845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893333374.

The product of its digits is 19906560, while the sum is 55.

The square root of 4466666845 is about 66833.1268533801. The cubic root of 4466666845 is about 1646.8770860273.

The spelling of 4466666845 in words is "four billion, four hundred sixty-six million, six hundred sixty-six thousand, eight hundred forty-five".