3117518642 has 16 divisors (see below), whose sum is σ = 5366499072. Its totient is φ = 1330534080.

The previous prime is 3117518609. The next prime is 3117518683. The reversal of 3117518642 is 2468157113.

It is a junction number, because it is equal to n+sod(n) for n = 3117518596 and 3117518605.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 458618 + ... + 465365.

It is an arithmetic number, because the mean of its divisors is an integer number (335406192).

Almost surely, 2^3117518642 is an apocalyptic number.

3117518642 is a deficient number, since it is larger than the sum of its proper divisors (2248980430).

3117518642 is a wasteful number, since it uses less digits than its factorization.

3117518642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924233.

The product of its digits is 40320, while the sum is 38.

The square root of 3117518642 is about 55834.7440398897. The cubic root of 3117518642 is about 1460.8412369063.

The spelling of 3117518642 in words is "three billion, one hundred seventeen million, five hundred eighteen thousand, six hundred forty-two".