3993854650 has 24 divisors (see below), whose sum is σ = 7432320060. Its totient is φ = 1596735360.

The previous prime is 3993854639. The next prime is 3993854653. The reversal of 3993854650 is 564583993.

It can be written as a sum of positive squares in 6 ways, for example, as 2312936649 + 1680918001 = 48093^2 + 40999^2 .

It is not an unprimeable number, because it can be changed into a prime (3993854653) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 85332 + ... + 123568.

Almost surely, 2^3993854650 is an apocalyptic number.

3993854650 is a deficient number, since it is larger than the sum of its proper divisors (3438465410).

3993854650 is a wasteful number, since it uses less digits than its factorization.

3993854650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40338 (or 40333 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 52.

The square root of 3993854650 is about 63196.9512714023. The cubic root of 3993854650 is about 1586.5877073807.

The spelling of 3993854650 in words is "three billion, nine hundred ninety-three million, eight hundred fifty-four thousand, six hundred fifty".