213690047335 has 4 divisors (see below), whose sum is σ = 256428056808. Its totient is φ = 170952037864.

The previous prime is 213690047299. The next prime is 213690047357. The reversal of 213690047335 is 533740096312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213690047335 - 2²³ = 213681658727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213690047291 and 213690047300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21369004729 + ... + 21369004738.

It is an arithmetic number, because the mean of its divisors is an integer number (64107014202).

Almost surely, 2^213690047335 is an apocalyptic number.

213690047335 is a deficient number, since it is larger than the sum of its proper divisors (42738009473).

213690047335 is an equidigital number, since it uses as much as digits as its factorization.

213690047335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738009472.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 213690047335 in words is "two hundred thirteen billion, six hundred ninety million, forty-seven thousand, three hundred thirty-five".