3933872113 has 4 divisors (see below), whose sum is σ = 3935936880. Its totient is φ = 3931807348.

The previous prime is 3933872093. The next prime is 3933872123. The reversal of 3933872113 is 3112783393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3933872113 - 2¹⁷ = 3933741041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3933872123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029523 + ... + 1033336.

It is an arithmetic number, because the mean of its divisors is an integer number (983984220).

Almost surely, 2^3933872113 is an apocalyptic number.

It is an amenable number.

3933872113 is a deficient number, since it is larger than the sum of its proper divisors (2064767).

3933872113 is a wasteful number, since it uses less digits than its factorization.

3933872113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064766.

The product of its digits is 81648, while the sum is 40.

The square root of 3933872113 is about 62720.5876327702. The cubic root of 3933872113 is about 1578.6047760235.

The spelling of 3933872113 in words is "three billion, nine hundred thirty-three million, eight hundred seventy-two thousand, one hundred thirteen".