184649311213 has 8 divisors (see below), whose sum is σ = 197241223608. Its totient is φ = 172249641984.

The previous prime is 184649311199. The next prime is 184649311261. The reversal of 184649311213 is 312113946481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1295784009 + 183353527204 = 35997^2 + 428198^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 184649311213 - 2¹⁷ = 184649180141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 184649311213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (184649311283) 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, 48058806 + ... + 48062647.

It is an arithmetic number, because the mean of its divisors is an integer number (24655152951).

Almost surely, 2^184649311213 is an apocalyptic number.

It is an amenable number.

184649311213 is a deficient number, since it is larger than the sum of its proper divisors (12591912395).

184649311213 is a wasteful number, since it uses less digits than its factorization.

184649311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96121583.

The product of its digits is 124416, while the sum is 43.

The spelling of 184649311213 in words is "one hundred eighty-four billion, six hundred forty-nine million, three hundred eleven thousand, two hundred thirteen".