4243729850 has 12 divisors (see below), whose sum is σ = 7893337614. Its totient is φ = 1697491920.

The previous prime is 4243729849. The next prime is 4243729879. The reversal of 4243729850 is 589273424.

It can be written as a sum of positive squares in 3 ways, for example, as 3178817161 + 1064912689 = 56381^2 + 32633^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42437249 + ... + 42437348.

Almost surely, 2^4243729850 is an apocalyptic number.

4243729850 is a deficient number, since it is larger than the sum of its proper divisors (3649607764).

4243729850 is a wasteful number, since it uses less digits than its factorization.

4243729850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84874609 (or 84874604 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 4243729850 is about 65143.9164465877. The cubic root of 4243729850 is about 1619.0089261480.

The spelling of 4243729850 in words is "four billion, two hundred forty-three million, seven hundred twenty-nine thousand, eight hundred fifty".