3685493539 has 16 divisors (see below), whose sum is σ = 4545515520. Its totient is φ = 2909872800.

The previous prime is 3685493509. The next prime is 3685493569. The reversal of 3685493539 is 9353945863.

It is an interprime number because it is at equal distance from previous prime (3685493509) and next prime (3685493569).

It is a cyclic number.

It is not a de Polignac number, because 3685493539 - 2⁹ = 3685493027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3685493539.

It is not an unprimeable number, because it can be changed into a prime (3685493509) 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, 1314 + ... + 85864.

It is an arithmetic number, because the mean of its divisors is an integer number (284094720).

Almost surely, 2^3685493539 is an apocalyptic number.

3685493539 is a deficient number, since it is larger than the sum of its proper divisors (860021981).

3685493539 is a wasteful number, since it uses less digits than its factorization.

3685493539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85050.

The product of its digits is 10497600, while the sum is 55.

The square root of 3685493539 is about 60708.2658210560. The cubic root of 3685493539 is about 1544.6563877335.

The spelling of 3685493539 in words is "three billion, six hundred eighty-five million, four hundred ninety-three thousand, five hundred thirty-nine".