273213369 has 48 divisors (see below), whose sum is σ = 488080320. Its totient is φ = 144789120.

The previous prime is 273213349. The next prime is 273213373. The reversal of 273213369 is 963312372.

273213369 is a `hidden beast` number, since 273 + 21 + 3 + 369 = 666.

It is not a de Polignac number, because 273213369 - 2¹¹ = 273211321 is a prime.

It is a super-2 number, since 2×273213369² = 149291090000660322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (273213319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18867 + ... + 30039.

It is an arithmetic number, because the mean of its divisors is an integer number (10168340).

Almost surely, 2^273213369 is an apocalyptic number.

It is an amenable number.

273213369 is a deficient number, since it is larger than the sum of its proper divisors (214866951).

273213369 is a wasteful number, since it uses less digits than its factorization.

273213369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222 (or 11219 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 273213369 is about 16529.1672204016. The cubic root of 273213369 is about 648.8843734711.

The spelling of 273213369 in words is "two hundred seventy-three million, two hundred thirteen thousand, three hundred sixty-nine".