3673945871 has 32 divisors (see below), whose sum is σ = 4191367680. Its totient is φ = 3201555456.

The previous prime is 3673945861. The next prime is 3673945879. The reversal of 3673945871 is 1785493763.

It is a cyclic number.

It is not a de Polignac number, because 3673945871 - 2¹⁴ = 3673929487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3673945879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1544435 + ... + 1546811.

It is an arithmetic number, because the mean of its divisors is an integer number (130980240).

Almost surely, 2^3673945871 is an apocalyptic number.

3673945871 is a deficient number, since it is larger than the sum of its proper divisors (517421809).

3673945871 is a wasteful number, since it uses less digits than its factorization.

3673945871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its digits is 3810240, while the sum is 53.

The square root of 3673945871 is about 60613.0833319012. The cubic root of 3673945871 is about 1543.0414216466.

The spelling of 3673945871 in words is "three billion, six hundred seventy-three million, nine hundred forty-five thousand, eight hundred seventy-one".