3685020017 has 16 divisors (see below), whose sum is σ = 4368806400. Its totient is φ = 3042524160.

The previous prime is 3685019993. The next prime is 3685020023. The reversal of 3685020017 is 7100205863.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3685020017 - 2⁶ = 3685019953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3685020817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58592 + ... + 103937.

It is an arithmetic number, because the mean of its divisors is an integer number (273050400).

Almost surely, 2^3685020017 is an apocalyptic number.

It is an amenable number.

3685020017 is a deficient number, since it is larger than the sum of its proper divisors (683786383).

3685020017 is a wasteful number, since it uses less digits than its factorization.

3685020017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162656.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 3685020017 is about 60704.3657161493. The cubic root of 3685020017 is about 1544.5902310482.

The spelling of 3685020017 in words is "three billion, six hundred eighty-five million, twenty thousand, seventeen".