2313643205564 has 24 divisors (see below), whose sum is σ = 4131934133040. Its totient is φ = 1133161121664.

The previous prime is 2313643205501. The next prime is 2313643205569. The reversal of 2313643205564 is 4655023463132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313643205569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8684129 + ... + 8946584.

It is an arithmetic number, because the mean of its divisors is an integer number (172163922210).

Almost surely, 2^{2313643205564} is an apocalyptic number.

It is an amenable number.

2313643205564 is a deficient number, since it is larger than the sum of its proper divisors (1818290927476).

2313643205564 is a wasteful number, since it uses less digits than its factorization.

2313643205564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631389 (or 17631387 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

Adding to 2313643205564 its reverse (4655023463132), we get a palindrome (6968666668696).

The spelling of 2313643205564 in words is "two trillion, three hundred thirteen billion, six hundred forty-three million, two hundred five thousand, five hundred sixty-four".