213674643241 has 4 divisors (see below), whose sum is σ = 213900277392. Its totient is φ = 213449009092.

The previous prime is 213674643239. The next prime is 213674643253. The reversal of 213674643241 is 142346476312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213674643241 - 2¹ = 213674643239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213674643041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112815655 + ... + 112817548.

It is an arithmetic number, because the mean of its divisors is an integer number (53475069348).

Almost surely, 2^213674643241 is an apocalyptic number.

It is an amenable number.

213674643241 is a deficient number, since it is larger than the sum of its proper divisors (225634151).

213674643241 is an equidigital number, since it uses as much as digits as its factorization.

213674643241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225634150.

The product of its digits is 580608, while the sum is 43.

The spelling of 213674643241 in words is "two hundred thirteen billion, six hundred seventy-four million, six hundred forty-three thousand, two hundred forty-one".