4439657313 has 24 divisors (see below), whose sum is σ = 7892725568. Its totient is φ = 2341796832.

The previous prime is 4439657297. The next prime is 4439657323. The reversal of 4439657313 is 3137569344.

4439657313 is a `hidden beast` number, since 44 + 39 + 6 + 573 + 1 + 3 = 666.

It is not a de Polignac number, because 4439657313 - 2⁴ = 4439657297 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4439657323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2709595 + ... + 2711232.

Almost surely, 2^4439657313 is an apocalyptic number.

It is an amenable number.

4439657313 is a deficient number, since it is larger than the sum of its proper divisors (3453068255).

4439657313 is a wasteful number, since it uses less digits than its factorization.

4439657313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420853 (or 5420850 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 4439657313 is about 66630.7535076709. The cubic root of 4439657313 is about 1643.5508667518.

The spelling of 4439657313 in words is "four billion, four hundred thirty-nine million, six hundred fifty-seven thousand, three hundred thirteen".