2734976209 has 27 divisors (see below), whose sum is σ = 3301140123. Its totient is φ = 2259230400.

The previous prime is 2734976149. The next prime is 2734976219. The reversal of 2734976209 is 9026794372.

It is a happy number.

The square root of 2734976209 is 52297.

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

It can be written as a sum of positive squares in only one way, i.e., 2056894609 + 678081600 = 45353^2 + 26040^2 .

It is not a de Polignac number, because 2734976209 - 2⁷ = 2734976081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2734976219) 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, 11348329 + ... + 11348569.

It is an arithmetic number, because the mean of its divisors is an integer number (122264449).

Almost surely, 2^2734976209 is an apocalyptic number.

2734976209 is the 52297-th square number.

2734976209 is the 26149-th centered octagonal number.

It is an amenable number.

2734976209 is a deficient number, since it is larger than the sum of its proper divisors (566163914).

2734976209 is an frugal number, since it uses more digits than its factorization.

2734976209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The cubic root of 2734976209 is about 1398.4636563177.

Multiplying 2734976209 by its sum of digits (49), we get a square (134013834241 = 366079²).

2734976209 divided by its sum of digits (49) gives a square (55815841 = 7471²).

The spelling of 2734976209 in words is "two billion, seven hundred thirty-four million, nine hundred seventy-six thousand, two hundred nine".