3959045165 has 8 divisors (see below), whose sum is σ = 4769341560. Its totient is φ = 3154911232.

The previous prime is 3959045161. The next prime is 3959045173. The reversal of 3959045165 is 5615409593.

It can be written as a sum of positive squares in 4 ways, for example, as 2010087556 + 1948957609 = 44834^2 + 44147^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3959045165 - 2² = 3959045161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959045161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539200 + ... + 1541769.

It is an arithmetic number, because the mean of its divisors is an integer number (596167695).

Almost surely, 2^3959045165 is an apocalyptic number.

It is an amenable number.

3959045165 is a deficient number, since it is larger than the sum of its proper divisors (810296395).

3959045165 is a wasteful number, since it uses less digits than its factorization.

3959045165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081231.

The product of its (nonzero) digits is 729000, while the sum is 47.

The square root of 3959045165 is about 62920.9437707350. The cubic root of 3959045165 is about 1581.9648104922.

The spelling of 3959045165 in words is "three billion, nine hundred fifty-nine million, forty-five thousand, one hundred sixty-five".