2609444393 has 4 divisors (see below), whose sum is σ = 2762941140. Its totient is φ = 2455947648.

The previous prime is 2609444381. The next prime is 2609444423. The reversal of 2609444393 is 3934449062.

2609444393 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2140635289 + 468809104 = 46267^2 + 21652^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609444393 - 2¹⁴ = 2609428009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2609444353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76748348 + ... + 76748381.

It is an arithmetic number, because the mean of its divisors is an integer number (690735285).

Almost surely, 2^2609444393 is an apocalyptic number.

It is an amenable number.

2609444393 is a deficient number, since it is larger than the sum of its proper divisors (153496747).

2609444393 is a wasteful number, since it uses less digits than its factorization.

2609444393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153496746.

The product of its (nonzero) digits is 559872, while the sum is 44.

The square root of 2609444393 is about 51082.7210806159. The cubic root of 2609444393 is about 1376.7318155227.

The spelling of 2609444393 in words is "two billion, six hundred nine million, four hundred forty-four thousand, three hundred ninety-three".