2793439609 has 9 divisors (see below), whose sum is σ = 2968380237. Its totient is φ = 2628273984.

The previous prime is 2793439591. The next prime is 2793439637. The reversal of 2793439609 is 9069343972.

The square root of 2793439609 is 52853.

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

It can be written as a sum of positive squares in 4 ways, for example, as 8555625 + 2784883984 = 2925^2 + 52772^2 .

It is not a de Polignac number, because 2793439609 - 2⁵ = 2793439577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2793430609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 896947 + ... + 900055.

Almost surely, 2^2793439609 is an apocalyptic number.

2793439609 is the 52853-rd square number.

2793439609 is the 26427-th centered octagonal number.

It is an amenable number.

2793439609 is a deficient number, since it is larger than the sum of its proper divisors (174940628).

2793439609 is an frugal number, since it uses more digits than its factorization.

2793439609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 52.

The cubic root of 2793439609 is about 1408.3580990272.

The spelling of 2793439609 in words is "two billion, seven hundred ninety-three million, four hundred thirty-nine thousand, six hundred nine".