4466401813 has 4 divisors (see below), whose sum is σ = 4468369068. Its totient is φ = 4464434560.

The previous prime is 4466401741. The next prime is 4466401843. The reversal of 4466401813 is 3181046644.

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 2774971684 + 1691430129 = 52678^2 + 41127^2 .

It is a cyclic number.

It is not a de Polignac number, because 4466401813 - 2⁹ = 4466401301 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 (4466401843) 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, 980218 + ... + 984763.

It is an arithmetic number, because the mean of its divisors is an integer number (1117092267).

Almost surely, 2^4466401813 is an apocalyptic number.

It is an amenable number.

4466401813 is a deficient number, since it is larger than the sum of its proper divisors (1967255).

4466401813 is a wasteful number, since it uses less digits than its factorization.

4466401813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967254.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 4466401813 is about 66831.1440347986. The cubic root of 4466401813 is about 1646.8445126136.

The spelling of 4466401813 in words is "four billion, four hundred sixty-six million, four hundred one thousand, eight hundred thirteen".