3668851850 has 12 divisors (see below), whose sum is σ = 6824064534. Its totient is φ = 1467540720.

The previous prime is 3668851847. The next prime is 3668851919. The reversal of 3668851850 is 581588663.

It can be written as a sum of positive squares in 3 ways, for example, as 3474277249 + 194574601 = 58943^2 + 13949^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 73377037 = 3668851850 / (3 + 6 + 6 + 8 + 8 + 5 + 1 + 8 + 5 + 0).

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 5 ways as a sum of consecutive naturals, for example, 36688469 + ... + 36688568.

Almost surely, 2^3668851850 is an apocalyptic number.

3668851850 is a deficient number, since it is larger than the sum of its proper divisors (3155212684).

3668851850 is a wasteful number, since it uses less digits than its factorization.

3668851850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73377049 (or 73377044 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 3668851850 is about 60571.0479519712. The cubic root of 3668851850 is about 1542.3279361724.

The spelling of 3668851850 in words is "three billion, six hundred sixty-eight million, eight hundred fifty-one thousand, eight hundred fifty".