5338673499821 has 4 divisors (see below), whose sum is σ = 5522765689500. Its totient is φ = 5154581310144.

The previous prime is 5338673499811. The next prime is 5338673499833. The reversal of 5338673499821 is 1289943768335.

5338673499821 = 1633810² + 1633811².

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

It can be written as a sum of positive squares in 2 ways, for example, as 2669335116100 + 2669338383721 = 1633810^2 + 1633811^2 .

It is a cyclic number.

It is not a de Polignac number, because 5338673499821 - 2¹⁰ = 5338673498797 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 (5338673499811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92046094796 + ... + 92046094853.

It is an arithmetic number, because the mean of its divisors is an integer number (1380691422375).

Almost surely, 2^{5338673499821} is an apocalyptic number.

5338673499821 is the 1633811-st centered square number.

It is an amenable number.

5338673499821 is a deficient number, since it is larger than the sum of its proper divisors (184092189679).

5338673499821 is a wasteful number, since it uses less digits than its factorization.

5338673499821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184092189678.

The product of its digits is 235146240, while the sum is 68.

The spelling of 5338673499821 in words is "five trillion, three hundred thirty-eight billion, six hundred seventy-three million, four hundred ninety-nine thousand, eight hundred twenty-one".