3944141081 has 4 divisors (see below), whose sum is σ = 3947654352. Its totient is φ = 3940627812.

The previous prime is 3944141053. The next prime is 3944141099. The reversal of 3944141081 is 1801414493.

3944141081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1801414493 = 13177 ⋅136709.

It is a cyclic number.

It is not a de Polignac number, because 3944141081 - 2¹⁴ = 3944124697 is a prime.

It is a super-2 number, since 2×3944141081² = 31112497733663697122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3944641081) 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, 1754951 + ... + 1757196.

It is an arithmetic number, because the mean of its divisors is an integer number (986913588).

Almost surely, 2^3944141081 is an apocalyptic number.

It is an amenable number.

3944141081 is a deficient number, since it is larger than the sum of its proper divisors (3513271).

3944141081 is a wasteful number, since it uses less digits than its factorization.

3944141081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513270.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 3944141081 is about 62802.3970959708. The cubic root of 3944141081 is about 1579.9771776066.

The spelling of 3944141081 in words is "three billion, nine hundred forty-four million, one hundred forty-one thousand, eighty-one".