183215673369 has 27 divisors (see below), whose sum is σ = 269169502719. Its totient is φ = 120090060720.

The previous prime is 183215673349. The next prime is 183215673373. The reversal of 183215673369 is 963376512381.

The square root of 183215673369 is 428037.

It is a perfect power (a square), and thus also a powerful number.

183215673369 is a `hidden beast` number, since 1 + 8 + 3 + 215 + 67 + 3 + 369 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5957832969 + 177257840400 = 77187^2 + 421020^2 .

It is not a de Polignac number, because 183215673369 - 2¹³ = 183215665177 is a prime.

It is a super-2 number, since 2×183215673369² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (183215673349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78329602 + ... + 78331940.

Almost surely, 2^183215673369 is an apocalyptic number.

183215673369 is the 428037-th square number.

183215673369 is the 214019-th centered octagonal number.

It is an amenable number.

183215673369 is a deficient number, since it is larger than the sum of its proper divisors (85953829350).

183215673369 is an frugal number, since it uses more digits than its factorization.

183215673369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 2403 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 183215673369 in words is "one hundred eighty-three billion, two hundred fifteen million, six hundred seventy-three thousand, three hundred sixty-nine".