386551814568241 has 9 divisors (see below), whose sum is σ = 449662475002041. Its totient is φ = 331330008807252.

The previous prime is 386551814568217. The next prime is 386551814568247. The reversal of 386551814568241 is 142865418155683.

The square root of 386551814568241 is 19660921.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 386551814568241 - 2⁷ = 386551814568113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386551814568247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 136222096 + ... + 139030798.

It is an arithmetic number, because the mean of its divisors is an integer number (49962497222449).

Almost surely, 2^{386551814568241} is an apocalyptic number.

386551814568241 is the 19660921-st square number.

386551814568241 is the 9830461-st centered octagonal number.

It is an amenable number.

386551814568241 is a deficient number, since it is larger than the sum of its proper divisors (63110660433800).

386551814568241 is an frugal number, since it uses more digits than its factorization.

386551814568241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617420 (or 2808710 counting only the distinct ones).

The product of its digits is 221184000, while the sum is 67.

The spelling of 386551814568241 in words is "three hundred eighty-six trillion, five hundred fifty-one billion, eight hundred fourteen million, five hundred sixty-eight thousand, two hundred forty-one".