213861852304 has 15 divisors (see below), whose sum is σ = 414360922873. Its totient is φ = 106930001248.

The previous prime is 213861852301. The next prime is 213861852313. The reversal of 213861852304 is 403258168312.

The square root of 213861852304 is 462452.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 203852250000 + 10009602304 = 451500^2 + 100048^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213861852301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1792002 + ... + 1907614.

Almost surely, 2^213861852304 is an apocalyptic number.

213861852304 is the 462452-nd square number.

It is an amenable number.

213861852304 is a deficient number, since it is larger than the sum of its proper divisors (200499070569).

213861852304 is an frugal number, since it uses more digits than its factorization.

213861852304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231234 (or 115615 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 213861852304 in words is "two hundred thirteen billion, eight hundred sixty-one million, eight hundred fifty-two thousand, three hundred four".