3681531683 has 4 divisors (see below), whose sum is σ = 3682626528. Its totient is φ = 3680436840.

The previous prime is 3681531673. The next prime is 3681531727. The reversal of 3681531683 is 3861351863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3861351863 = 73 ⋅52895231.

It is a cyclic number.

It is not a de Polignac number, because 3681531683 - 2²² = 3677337379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681531613) 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, 542363 + ... + 549108.

It is an arithmetic number, because the mean of its divisors is an integer number (920656632).

Almost surely, 2^3681531683 is an apocalyptic number.

3681531683 is a deficient number, since it is larger than the sum of its proper divisors (1094845).

3681531683 is a wasteful number, since it uses less digits than its factorization.

3681531683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094844.

The product of its digits is 311040, while the sum is 44.

The square root of 3681531683 is about 60675.6267623170. The cubic root of 3681531683 is about 1544.1026943326.

The spelling of 3681531683 in words is "three billion, six hundred eighty-one million, five hundred thirty-one thousand, six hundred eighty-three".