6439393113 has 8 divisors (see below), whose sum is σ = 9037744800. Its totient is φ = 4066985088.

The previous prime is 6439393069. The next prime is 6439393117. The reversal of 6439393113 is 3113939346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6439393113 - 2¹⁶ = 6439327577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6439393117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56485848 + ... + 56485961.

It is an arithmetic number, because the mean of its divisors is an integer number (1129718100).

Almost surely, 2^6439393113 is an apocalyptic number.

It is an amenable number.

6439393113 is a deficient number, since it is larger than the sum of its proper divisors (2598351687).

6439393113 is a wasteful number, since it uses less digits than its factorization.

6439393113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112971831.

The product of its digits is 157464, while the sum is 42.

The square root of 6439393113 is about 80245.8292561053. The cubic root of 6439393113 is about 1860.4370492802.

The spelling of 6439393113 in words is "six billion, four hundred thirty-nine million, three hundred ninety-three thousand, one hundred thirteen".