2682929209 has 3 divisors (see below), whose sum is σ = 2682981007. Its totient is φ = 2682877412.

The previous prime is 2682929189. The next prime is 2682929213. The reversal of 2682929209 is 9029292862.

The square root of 2682929209 is 51797.

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

2682929209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 551075625 + 2131853584 = 23475^2 + 46172^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2682929209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2682929269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25899 + ... + 77695.

Almost surely, 2^2682929209 is an apocalyptic number.

2682929209 is the 51797-th square number.

2682929209 is the 25899-th centered octagonal number.

It is an amenable number.

2682929209 is a deficient number, since it is larger than the sum of its proper divisors (51798).

2682929209 is an frugal number, since it uses more digits than its factorization.

2682929209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103594 (or 51797 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The cubic root of 2682929209 is about 1389.5357918862.

Multiplying 2682929209 by its sum of digits (49), we get a square (131463531241 = 362579²).

The spelling of 2682929209 in words is "two billion, six hundred eighty-two million, nine hundred twenty-nine thousand, two hundred nine".