4456218473 has 32 divisors (see below), whose sum is σ = 5385289728. Its totient is φ = 3606768000.

The previous prime is 4456218461. The next prime is 4456218499. The reversal of 4456218473 is 3748126544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4456218473 - 2²⁶ = 4389109609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4456218443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6129236 + ... + 6129962.

It is an arithmetic number, because the mean of its divisors is an integer number (168290304).

Almost surely, 2^4456218473 is an apocalyptic number.

It is an amenable number.

4456218473 is a deficient number, since it is larger than the sum of its proper divisors (929071255).

4456218473 is a wasteful number, since it uses less digits than its factorization.

4456218473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413.

The product of its digits is 645120, while the sum is 44.

The square root of 4456218473 is about 66754.9134745900. The cubic root of 4456218473 is about 1645.5919652696.

The spelling of 4456218473 in words is "four billion, four hundred fifty-six million, two hundred eighteen thousand, four hundred seventy-three".