4397594409 has 20 divisors (see below), whose sum is σ = 7074574276. Its totient is φ = 2706211296.

The previous prime is 4397594407. The next prime is 4397594417. The reversal of 4397594409 is 9044957934.

4397594409 is a `hidden beast` number, since 4 + 3 + 9 + 7 + 594 + 40 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 983763225 + 3413831184 = 31365^2 + 58428^2 .

It is not a de Polignac number, because 4397594409 - 2¹ = 4397594407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4397594407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2087074 + ... + 2089179.

Almost surely, 2^4397594409 is an apocalyptic number.

It is an amenable number.

4397594409 is a deficient number, since it is larger than the sum of its proper divisors (2676979867).

4397594409 is a wasteful number, since it uses less digits than its factorization.

4397594409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176278 (or 4176269 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 4397594409 is about 66314.3605035893. The cubic root of 4397594409 is about 1638.3438576902.

It can be divided in two parts, 43975 and 94409, that added together give a square (138384 = 372²).

The spelling of 4397594409 in words is "four billion, three hundred ninety-seven million, five hundred ninety-four thousand, four hundred nine".