3685523671 has 4 divisors (see below), whose sum is σ = 3685795344. Its totient is φ = 3685252000.

The previous prime is 3685523627. The next prime is 3685523693. The reversal of 3685523671 is 1763255863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3685523671 - 2¹⁵ = 3685490903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685524671) 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, 114355 + ... + 142996.

It is an arithmetic number, because the mean of its divisors is an integer number (921448836).

Almost surely, 2^3685523671 is an apocalyptic number.

3685523671 is a deficient number, since it is larger than the sum of its proper divisors (271673).

3685523671 is a wasteful number, since it uses less digits than its factorization.

3685523671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271672.

The product of its digits is 907200, while the sum is 46.

The square root of 3685523671 is about 60708.5139910375. The cubic root of 3685523671 is about 1544.6605973425.

The spelling of 3685523671 in words is "three billion, six hundred eighty-five million, five hundred twenty-three thousand, six hundred seventy-one".