3993925913 has 8 divisors (see below), whose sum is σ = 4206235200. Its totient is φ = 3781826928.

The previous prime is 3993925847. The next prime is 3993925927. The reversal of 3993925913 is 3195293993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3993925913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3993925933) 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 7 ways as a sum of consecutive naturals, for example, 12806 + ... + 90287.

It is an arithmetic number, because the mean of its divisors is an integer number (525779400).

Almost surely, 2^3993925913 is an apocalyptic number.

It is an amenable number.

3993925913 is a deficient number, since it is larger than the sum of its proper divisors (212309287).

3993925913 is a wasteful number, since it uses less digits than its factorization.

3993925913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105151.

The product of its digits is 1771470, while the sum is 53.

The square root of 3993925913 is about 63197.5150856424. The cubic root of 3993925913 is about 1586.5971439057.

The spelling of 3993925913 in words is "three billion, nine hundred ninety-three million, nine hundred twenty-five thousand, nine hundred thirteen".