6313448709 has 12 divisors (see below), whose sum is σ = 9151883052. Its totient is φ = 4193985600.

The previous prime is 6313448689. The next prime is 6313448719. The reversal of 6313448709 is 9078443136.

6313448709 is a `hidden beast` number, since 631 + 3 + 4 + 4 + 8 + 7 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3282946209 + 3030502500 = 57297^2 + 55050^2 .

It is not a de Polignac number, because 6313448709 - 2²⁸ = 6045013253 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6313448719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245682 + ... + 1250739.

It is an arithmetic number, because the mean of its divisors is an integer number (762656921).

Almost surely, 2^6313448709 is an apocalyptic number.

It is an amenable number.

6313448709 is a deficient number, since it is larger than the sum of its proper divisors (2838434343).

6313448709 is a wasteful number, since it uses less digits than its factorization.

6313448709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496708 (or 2496705 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 6313448709 is about 79457.2130709352. The cubic root of 6313448709 is about 1848.2280290454.

The spelling of 6313448709 in words is "six billion, three hundred thirteen million, four hundred forty-eight thousand, seven hundred nine".