213344556689 has 16 divisors (see below), whose sum is σ = 241588037376. Its totient is φ = 186711129600.

The previous prime is 213344556683. The next prime is 213344556703. The reversal of 213344556689 is 986655443312.

It is a cyclic number.

It is not a de Polignac number, because 213344556689 - 2¹⁶ = 213344491153 is a prime.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3350912 + ... + 3413985.

It is an arithmetic number, because the mean of its divisors is an integer number (15099252336).

Almost surely, 2^213344556689 is an apocalyptic number.

It is an amenable number.

213344556689 is a deficient number, since it is larger than the sum of its proper divisors (28243480687).

213344556689 is a wasteful number, since it uses less digits than its factorization.

213344556689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765016.

The product of its digits is 18662400, while the sum is 56.

The spelling of 213344556689 in words is "two hundred thirteen billion, three hundred forty-four million, five hundred fifty-six thousand, six hundred eighty-nine".