3944325133 has 4 divisors (see below), whose sum is σ = 4507800160. Its totient is φ = 3380850108.

The previous prime is 3944325127. The next prime is 3944325139. The reversal of 3944325133 is 3315234493.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3315234493 = 439 ⋅7551787.

It is an interprime number because it is at equal distance from previous prime (3944325127) and next prime (3944325139).

It is a cyclic number.

It is not a de Polignac number, because 3944325133 - 2⁵ = 3944325101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3944325092 and 3944325101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944325139) 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, 281737503 + ... + 281737516.

It is an arithmetic number, because the mean of its divisors is an integer number (1126950040).

Almost surely, 2^3944325133 is an apocalyptic number.

It is an amenable number.

3944325133 is a deficient number, since it is larger than the sum of its proper divisors (563475027).

3944325133 is an equidigital number, since it uses as much as digits as its factorization.

3944325133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563475026.

The product of its digits is 116640, while the sum is 37.

The square root of 3944325133 is about 62803.8624051101. The cubic root of 3944325133 is about 1580.0017535899.

The spelling of 3944325133 in words is "three billion, nine hundred forty-four million, three hundred twenty-five thousand, one hundred thirty-three".