3685005863 has 32 divisors (see below), whose sum is σ = 4894525440. Its totient is φ = 2687441760.

The previous prime is 3685005859. The next prime is 3685005899.

3685005863 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3685005863 - 2² = 3685005859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685005853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106256 + ... + 136602.

It is an arithmetic number, because the mean of its divisors is an integer number (152953920).

Almost surely, 2^3685005863 is an apocalyptic number.

3685005863 is a deficient number, since it is larger than the sum of its proper divisors (1209519577).

3685005863 is a wasteful number, since it uses less digits than its factorization.

3685005863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30467.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 3685005863 is about 60704.2491346364. The cubic root of 3685005863 is about 1544.5882534779.

The spelling of 3685005863 in words is "three billion, six hundred eighty-five million, five thousand, eight hundred sixty-three".