213264700244 has 24 divisors (see below), whose sum is σ = 373797464040. Its totient is φ = 106465527296.

The previous prime is 213264700223. The next prime is 213264700261. The reversal of 213264700244 is 442007462312.

It can be written as a sum of positive squares in 4 ways, for example, as 90112835344 + 123151864900 = 300188^2 + 350930^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9714272 + ... + 9736200.

It is an arithmetic number, because the mean of its divisors is an integer number (15574894335).

Almost surely, 2^213264700244 is an apocalyptic number.

It is an amenable number.

213264700244 is a deficient number, since it is larger than the sum of its proper divisors (160532763796).

213264700244 is a wasteful number, since it uses less digits than its factorization.

213264700244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25627 (or 25625 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 213264700244 in words is "two hundred thirteen billion, two hundred sixty-four million, seven hundred thousand, two hundred forty-four".