213668934347 has 8 divisors (see below), whose sum is σ = 233096739120. Its totient is φ = 194241688960.

The previous prime is 213668934329. The next prime is 213668934359. The reversal of 213668934347 is 743439866312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213668934347 - 2²⁶ = 213601825483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213668934292 and 213668934301.

It is not an unprimeable number, because it can be changed into a prime (213668934307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336679 + ... + 1487967.

It is an arithmetic number, because the mean of its divisors is an integer number (29137092390).

Almost surely, 2^213668934347 is an apocalyptic number.

213668934347 is a deficient number, since it is larger than the sum of its proper divisors (19427804773).

213668934347 is a wasteful number, since it uses less digits than its factorization.

213668934347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279693.

The product of its digits is 15676416, while the sum is 56.

The spelling of 213668934347 in words is "two hundred thirteen billion, six hundred sixty-eight million, nine hundred thirty-four thousand, three hundred forty-seven".