3868610033521 has 16 divisors (see below), whose sum is σ = 4080701011968. Its totient is φ = 3662658172800.

The previous prime is 3868610033443. The next prime is 3868610033527. The reversal of 3868610033521 is 1253300168683.

3868610033521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3868610033521 - 2⁹ = 3868610033009 is a prime.

It is a super-2 number, since 2×3868610033521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3868610033527) 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, 2748195 + ... + 3910216.

It is an arithmetic number, because the mean of its divisors is an integer number (255043813248).

Almost surely, 2^{3868610033521} is an apocalyptic number.

It is an amenable number.

3868610033521 is a deficient number, since it is larger than the sum of its proper divisors (212090978447).

3868610033521 is a wasteful number, since it uses less digits than its factorization.

3868610033521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658872.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 3868610033521 in words is "three trillion, eight hundred sixty-eight billion, six hundred ten million, thirty-three thousand, five hundred twenty-one".