3745685186 has 4 divisors (see below), whose sum is σ = 5618527782. Its totient is φ = 1872842592.

The previous prime is 3745685161. The next prime is 3745685189. The reversal of 3745685186 is 6815865473.

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

It can be written as a sum of positive squares in only one way, i.e., 3726492025 + 19193161 = 61045^2 + 4381^2 .

It is not an unprimeable number, because it can be changed into a prime (3745685189) 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 as a sum of consecutive naturals, namely, 936421295 + ... + 936421298.

Almost surely, 2^3745685186 is an apocalyptic number.

3745685186 is a deficient number, since it is larger than the sum of its proper divisors (1872842596).

3745685186 is a wasteful number, since it uses less digits than its factorization.

3745685186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872842595.

The product of its digits is 4838400, while the sum is 53.

The square root of 3745685186 is about 61202.0031208130. The cubic root of 3745685186 is about 1553.0201518318.

The spelling of 3745685186 in words is "three billion, seven hundred forty-five million, six hundred eighty-five thousand, one hundred eighty-six".