213657349367 has 16 divisors (see below), whose sum is σ = 267339674112. Its totient is φ = 165885196320.

The previous prime is 213657349343. The next prime is 213657349393. The reversal of 213657349367 is 763943756312.

It is a cyclic number.

It is not a de Polignac number, because 213657349367 - 2⁸ = 213657349111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213657349327) 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, 4987283 + ... + 5029940.

It is an arithmetic number, because the mean of its divisors is an integer number (16708729632).

Almost surely, 2^213657349367 is an apocalyptic number.

213657349367 is a deficient number, since it is larger than the sum of its proper divisors (53682324745).

213657349367 is a wasteful number, since it uses less digits than its factorization.

213657349367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017518.

The product of its digits is 17146080, while the sum is 56.

The spelling of 213657349367 in words is "two hundred thirteen billion, six hundred fifty-seven million, three hundred forty-nine thousand, three hundred sixty-seven".