2709084321 has 6 divisors (see below), whose sum is σ = 3913121810. Its totient is φ = 1806056208.

The previous prime is 2709084319. The next prime is 2709084337. The reversal of 2709084321 is 1234809072.

It can be written as a sum of positive squares in only one way, i.e., 2045300625 + 663783696 = 45225^2 + 25764^2 .

It is not a de Polignac number, because 2709084321 - 2¹ = 2709084319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2709084341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150504676 + ... + 150504693.

Almost surely, 2^2709084321 is an apocalyptic number.

It is an amenable number.

2709084321 is a deficient number, since it is larger than the sum of its proper divisors (1204037489).

2709084321 is a wasteful number, since it uses less digits than its factorization.

2709084321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301009375 (or 301009372 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2709084321 is about 52048.8647426627. The cubic root of 2709084321 is about 1394.0365938397.

The spelling of 2709084321 in words is "two billion, seven hundred nine million, eighty-four thousand, three hundred twenty-one".