6669053273 has 4 divisors (see below), whose sum is σ = 6683520228. Its totient is φ = 6654586320.

The previous prime is 6669053263. The next prime is 6669053311. The reversal of 6669053273 is 3723509666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3723509666 = 2 ⋅1861754833.

It can be written as a sum of positive squares in 2 ways, for example, as 4889225929 + 1779827344 = 69923^2 + 42188^2 .

It is a cyclic number.

It is not a de Polignac number, because 6669053273 - 2¹⁰ = 6669052249 is a prime.

It is a super-3 number, since 3×6669053273³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669053243) 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, 7232786 + ... + 7233707.

It is an arithmetic number, because the mean of its divisors is an integer number (1670880057).

Almost surely, 2^6669053273 is an apocalyptic number.

It is an amenable number.

6669053273 is a deficient number, since it is larger than the sum of its proper divisors (14466955).

6669053273 is a wasteful number, since it uses less digits than its factorization.

6669053273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14466954.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The square root of 6669053273 is about 81664.2717043384. The cubic root of 6669053273 is about 1882.2966192218.

The spelling of 6669053273 in words is "six billion, six hundred sixty-nine million, fifty-three thousand, two hundred seventy-three".