6724943313 has 16 divisors (see below), whose sum is σ = 10119038400. Its totient is φ = 3935180480.

The previous prime is 6724943311. The next prime is 6724943339. The reversal of 6724943313 is 3133494276.

It is a happy number.

It is not a de Polignac number, because 6724943313 - 2¹ = 6724943311 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6724943311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3512598 + ... + 3514511.

It is an arithmetic number, because the mean of its divisors is an integer number (632439900).

Almost surely, 2^6724943313 is an apocalyptic number.

It is an amenable number.

6724943313 is a deficient number, since it is larger than the sum of its proper divisors (3394095087).

6724943313 is a wasteful number, since it uses less digits than its factorization.

6724943313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027152.

The product of its digits is 326592, while the sum is 42.

The square root of 6724943313 is about 82005.7517068163. The cubic root of 6724943313 is about 1887.5401977200.

The spelling of 6724943313 in words is "six billion, seven hundred twenty-four million, nine hundred forty-three thousand, three hundred thirteen".