184384606421 has 4 divisors (see below), whose sum is σ = 184393684332. Its totient is φ = 184375528512.

The previous prime is 184384606387. The next prime is 184384606499. The reversal of 184384606421 is 124606483481.

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: 124606483481 = 829 ⋅150309389.

It can be written as a sum of positive squares in 2 ways, for example, as 120208517521 + 64176088900 = 346711^2 + 253330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-184384606421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (184384603421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508420 + ... + 4549133.

It is an arithmetic number, because the mean of its divisors is an integer number (46098421083).

Almost surely, 2^184384606421 is an apocalyptic number.

It is an amenable number.

184384606421 is a deficient number, since it is larger than the sum of its proper divisors (9077911).

184384606421 is an equidigital number, since it uses as much as digits as its factorization.

184384606421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077910.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 184384606421 in words is "one hundred eighty-four billion, three hundred eighty-four million, six hundred six thousand, four hundred twenty-one".