386217512647 has 2 divisors, whose sum is σ = 386217512648. Its totient is φ = 386217512646.

The previous prime is 386217512599. The next prime is 386217512657. The reversal of 386217512647 is 746215712683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386217512647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386217512594 and 386217512603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386217512657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193108756323 + 193108756324.

It is an arithmetic number, because the mean of its divisors is an integer number (193108756324).

Almost surely, 2^386217512647 is an apocalyptic number.

386217512647 is a deficient number, since it is larger than the sum of its proper divisors (1).

386217512647 is an equidigital number, since it uses as much as digits as its factorization.

386217512647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The spelling of 386217512647 in words is "three hundred eighty-six billion, two hundred seventeen million, five hundred twelve thousand, six hundred forty-seven".