4213305016805 has 4 divisors (see below), whose sum is σ = 5055966020172. Its totient is φ = 3370644013440.

The previous prime is 4213305016751. The next prime is 4213305016841. The reversal of 4213305016805 is 5086105033124.

It is a happy number.

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 746741396164 + 3466563620641 = 864142^2 + 1861871^2 .

It is not a de Polignac number, because 4213305016805 - 2¹⁸ = 4213304754661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421330501676 + ... + 421330501685.

It is an arithmetic number, because the mean of its divisors is an integer number (1263991505043).

Almost surely, 2^{4213305016805} is an apocalyptic number.

It is an amenable number.

4213305016805 is a deficient number, since it is larger than the sum of its proper divisors (842661003367).

4213305016805 is an equidigital number, since it uses as much as digits as its factorization.

4213305016805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842661003366.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 4213305016805 in words is "four trillion, two hundred thirteen billion, three hundred five million, sixteen thousand, eight hundred five".