533646646387 has 2 divisors, whose sum is σ = 533646646388. Its totient is φ = 533646646386.

The previous prime is 533646646327. The next prime is 533646646391. The reversal of 533646646387 is 783646646335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 533646646387 - 2¹¹ = 533646644339 is a prime.

It is not a weakly prime, because it can be changed into another prime (533646646327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266823323193 + 266823323194.

It is an arithmetic number, because the mean of its divisors is an integer number (266823323194).

Almost surely, 2^533646646387 is an apocalyptic number.

533646646387 is a deficient number, since it is larger than the sum of its proper divisors (1).

533646646387 is an equidigital number, since it uses as much as digits as its factorization.

533646646387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 61.

The spelling of 533646646387 in words is "five hundred thirty-three billion, six hundred forty-six million, six hundred forty-six thousand, three hundred eighty-seven".