3685523853 has 16 divisors (see below), whose sum is σ = 5375151936. Its totient is φ = 2227655040.

The previous prime is 3685523843. The next prime is 3685523927. The reversal of 3685523853 is 3583255863.

It is not a de Polignac number, because 3685523853 - 2⁴ = 3685523837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685523813) 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 in 15 ways as a sum of consecutive naturals, for example, 137400 + ... + 162017.

It is an arithmetic number, because the mean of its divisors is an integer number (335946996).

Almost surely, 2^3685523853 is an apocalyptic number.

3685523853 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3685523853 is a deficient number, since it is larger than the sum of its proper divisors (1689628083).

3685523853 is a wasteful number, since it uses less digits than its factorization.

3685523853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299804.

The product of its digits is 2592000, while the sum is 48.

The square root of 3685523853 is about 60708.5154900035. The cubic root of 3685523853 is about 1544.6606227688.

The spelling of 3685523853 in words is "three billion, six hundred eighty-five million, five hundred twenty-three thousand, eight hundred fifty-three".