213355686614 has 12 divisors (see below), whose sum is σ = 372283902324. Its totient is φ = 91438151364.

The previous prime is 213355686613. The next prime is 213355686631. The reversal of 213355686614 is 416686553312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213355686613) 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 5 ways as a sum of consecutive naturals, for example, 1088549324 + ... + 1088549519.

It is an arithmetic number, because the mean of its divisors is an integer number (31023658527).

Almost surely, 2^213355686614 is an apocalyptic number.

213355686614 is a deficient number, since it is larger than the sum of its proper divisors (158928215710).

213355686614 is a wasteful number, since it uses less digits than its factorization.

213355686614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177098859 (or 2177098852 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 213355686614 in words is "two hundred thirteen billion, three hundred fifty-five million, six hundred eighty-six thousand, six hundred fourteen".