3863686465 has 16 divisors (see below), whose sum is σ = 4749219072. Its totient is φ = 3016145664.

The previous prime is 3863686447. The next prime is 3863686471. The reversal of 3863686465 is 5646863683.

It is a happy number.

It is not a de Polignac number, because 3863686465 - 2¹⁷ = 3863555393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54802 + ... + 103588.

It is an arithmetic number, because the mean of its divisors is an integer number (296826192).

Almost surely, 2^3863686465 is an apocalyptic number.

It is an amenable number.

3863686465 is a deficient number, since it is larger than the sum of its proper divisors (885532607).

3863686465 is a wasteful number, since it uses less digits than its factorization.

3863686465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49176.

The product of its digits is 14929920, while the sum is 55.

The square root of 3863686465 is about 62158.5590647016. The cubic root of 3863686465 is about 1569.1602288161.

The spelling of 3863686465 in words is "three billion, eight hundred sixty-three million, six hundred eighty-six thousand, four hundred sixty-five".