3117729658 has 16 divisors (see below), whose sum is σ = 4689621000. Its totient is φ = 1554530112.

The previous prime is 3117729623. The next prime is 3117729677. The reversal of 3117729658 is 8569277113.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3117323889 + 405769 = 55833^2 + 637^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741828 + ... + 1743616.

Almost surely, 2^3117729658 is an apocalyptic number.

3117729658 is a deficient number, since it is larger than the sum of its proper divisors (1571891342).

3117729658 is a wasteful number, since it uses less digits than its factorization.

3117729658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729.

The product of its digits is 635040, while the sum is 49.

The square root of 3117729658 is about 55836.6336556924. The cubic root of 3117729658 is about 1460.8741962301.

The spelling of 3117729658 in words is "three billion, one hundred seventeen million, seven hundred twenty-nine thousand, six hundred fifty-eight".