184865374349 has 4 divisors (see below), whose sum is σ = 191240042460. Its totient is φ = 178490706240.

The previous prime is 184865374319. The next prime is 184865374417. The reversal of 184865374349 is 943473568481.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943473568481 = 191 ⋅4939652191.

It can be written as a sum of positive squares in 2 ways, for example, as 96072102025 + 88793272324 = 309955^2 + 297982^2 .

It is a cyclic number.

It is not a de Polignac number, because 184865374349 - 2⁸ = 184865374093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 184865374291 and 184865374300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (184865374319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187334012 + ... + 3187334069.

It is an arithmetic number, because the mean of its divisors is an integer number (47810010615).

Almost surely, 2^184865374349 is an apocalyptic number.

It is an amenable number.

184865374349 is a deficient number, since it is larger than the sum of its proper divisors (6374668111).

184865374349 is an equidigital number, since it uses as much as digits as its factorization.

184865374349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6374668110.

The product of its digits is 69672960, while the sum is 62.

The spelling of 184865374349 in words is "one hundred eighty-four billion, eight hundred sixty-five million, three hundred seventy-four thousand, three hundred forty-nine".