6623541273 has 16 divisors (see below), whose sum is σ = 9115683200. Its totient is φ = 4274747136.

The previous prime is 6623541263. The next prime is 6623541319. The reversal of 6623541273 is 3721453266.

It is not a de Polignac number, because 6623541273 - 2⁴ = 6623541257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623541233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127840 + ... + 172017.

It is an arithmetic number, because the mean of its divisors is an integer number (569730200).

Almost surely, 2^6623541273 is an apocalyptic number.

It is an amenable number.

6623541273 is a deficient number, since it is larger than the sum of its proper divisors (2492141927).

6623541273 is a wasteful number, since it uses less digits than its factorization.

6623541273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300096.

The product of its digits is 181440, while the sum is 39.

The square root of 6623541273 is about 81385.1415984515. The cubic root of 6623541273 is about 1878.0050205657.

The spelling of 6623541273 in words is "six billion, six hundred twenty-three million, five hundred forty-one thousand, two hundred seventy-three".