3945552171 has 8 divisors (see below), whose sum is σ = 5738985024. Its totient is φ = 2391243720.

The previous prime is 3945552137. The next prime is 3945552197. The reversal of 3945552171 is 1712555493.

It is a happy number.

3945552171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3945552171 - 2¹⁰ = 3945551147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3945552071) 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, 59781061 + ... + 59781126.

It is an arithmetic number, because the mean of its divisors is an integer number (717373128).

Almost surely, 2^3945552171 is an apocalyptic number.

3945552171 is a deficient number, since it is larger than the sum of its proper divisors (1793432853).

3945552171 is a wasteful number, since it uses less digits than its factorization.

3945552171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119562201.

The product of its digits is 189000, while the sum is 42.

The square root of 3945552171 is about 62813.6304554991. The cubic root of 3945552171 is about 1580.1655772372.

The spelling of 3945552171 in words is "three billion, nine hundred forty-five million, five hundred fifty-two thousand, one hundred seventy-one".