213344556688 has 10 divisors (see below), whose sum is σ = 413355078614. Its totient is φ = 106672278336.

The previous prime is 213344556683. The next prime is 213344556703. The reversal of 213344556688 is 886655443312.

It can be written as a sum of positive squares in only one way, i.e., 157729711104 + 55614845584 = 397152^2 + 235828^2 .

It is not an unprimeable number, because it can be changed into a prime (213344556683) by changing a digit.

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 as a sum of consecutive naturals, namely, 6667017381 + ... + 6667017412.

Almost surely, 2^213344556688 is an apocalyptic number.

It is an amenable number.

213344556688 is a deficient number, since it is larger than the sum of its proper divisors (200010521926).

213344556688 is a wasteful number, since it uses less digits than its factorization.

213344556688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334034801 (or 13334034795 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 55.

The spelling of 213344556688 in words is "two hundred thirteen billion, three hundred forty-four million, five hundred fifty-six thousand, six hundred eighty-eight".