3944326853 has 4 divisors (see below), whose sum is σ = 3957009888. Its totient is φ = 3931643820.

The previous prime is 3944326847. The next prime is 3944326871. The reversal of 3944326853 is 3586234493.

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: 3586234493 = 929 ⋅3860317.

It is a cyclic number.

It is not a de Polignac number, because 3944326853 - 2⁸ = 3944326597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3944326798 and 3944326807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944326843) 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 3 ways as a sum of consecutive naturals, for example, 6341051 + ... + 6341672.

It is an arithmetic number, because the mean of its divisors is an integer number (989252472).

Almost surely, 2^3944326853 is an apocalyptic number.

It is an amenable number.

3944326853 is a deficient number, since it is larger than the sum of its proper divisors (12683035).

3944326853 is a wasteful number, since it uses less digits than its factorization.

3944326853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12683034.

The product of its digits is 1866240, while the sum is 47.

The square root of 3944326853 is about 62803.8760985339. The cubic root of 3944326853 is about 1580.0019832534.

The spelling of 3944326853 in words is "three billion, nine hundred forty-four million, three hundred twenty-six thousand, eight hundred fifty-three".