3869655865559 has 8 divisors (see below), whose sum is σ = 4223656441728. Its totient is φ = 3516024235960.

The previous prime is 3869655865501. The next prime is 3869655865589. The reversal of 3869655865559 is 9555685569683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3869655865559 - 2⁸ = 3869655865303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869655865589) 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, 92214707 + ... + 92256660.

It is an arithmetic number, because the mean of its divisors is an integer number (527957055216).

Almost surely, 2^{3869655865559} is an apocalyptic number.

3869655865559 is a deficient number, since it is larger than the sum of its proper divisors (354000576169).

3869655865559 is a wasteful number, since it uses less digits than its factorization.

3869655865559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184473285.

The product of its digits is 10497600000, while the sum is 80.

The spelling of 3869655865559 in words is "three trillion, eight hundred sixty-nine billion, six hundred fifty-five million, eight hundred sixty-five thousand, five hundred fifty-nine".