3685349618 has 16 divisors (see below), whose sum is σ = 5647449600. Its totient is φ = 1802891616.

The previous prime is 3685349617. The next prime is 3685349651. The reversal of 3685349618 is 8169435863.

It is a self number, because there is not a number n which added to its sum of digits gives 3685349618.

It is not an unprimeable number, because it can be changed into a prime (3685349617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546455 + ... + 553157.

It is an arithmetic number, because the mean of its divisors is an integer number (352965600).

Almost surely, 2^3685349618 is an apocalyptic number.

3685349618 is a deficient number, since it is larger than the sum of its proper divisors (1962099982).

3685349618 is a wasteful number, since it uses less digits than its factorization.

3685349618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601.

The product of its digits is 3732480, while the sum is 53.

The square root of 3685349618 is about 60707.0804601901. The cubic root of 3685349618 is about 1544.6362808484.

The spelling of 3685349618 in words is "three billion, six hundred eighty-five million, three hundred forty-nine thousand, six hundred eighteen".