4223555813 has 4 divisors (see below), whose sum is σ = 4226182380. Its totient is φ = 4220929248.

The previous prime is 4223555801. The next prime is 4223555827. The reversal of 4223555813 is 3185553224.

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 3899627809 + 323928004 = 62447^2 + 17998^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223555813 - 2⁴ = 4223555797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223555873) 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, 1310870 + ... + 1314087.

It is an arithmetic number, because the mean of its divisors is an integer number (1056545595).

Almost surely, 2^4223555813 is an apocalyptic number.

It is an amenable number.

4223555813 is a deficient number, since it is larger than the sum of its proper divisors (2626567).

4223555813 is a wasteful number, since it uses less digits than its factorization.

4223555813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626566.

The product of its digits is 144000, while the sum is 38.

The square root of 4223555813 is about 64988.8899197394. The cubic root of 4223555813 is about 1616.4393438169.

The spelling of 4223555813 in words is "four billion, two hundred twenty-three million, five hundred fifty-five thousand, eight hundred thirteen".