63564846533 has 2 divisors, whose sum is σ = 63564846534. Its totient is φ = 63564846532.

The previous prime is 63564846493. The next prime is 63564846571. The reversal of 63564846533 is 33564846536.

63564846533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58855730404 + 4709116129 = 242602^2 + 68623^2 .

It is a cyclic number.

It is not a de Polignac number, because 63564846533 - 2¹⁸ = 63564584389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63564846833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31782423266 + 31782423267.

It is an arithmetic number, because the mean of its divisors is an integer number (31782423267).

Almost surely, 2^63564846533 is an apocalyptic number.

It is an amenable number.

63564846533 is a deficient number, since it is larger than the sum of its proper divisors (1).

63564846533 is an equidigital number, since it uses as much as digits as its factorization.

63564846533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 53.

The spelling of 63564846533 in words is "sixty-three billion, five hundred sixty-four million, eight hundred forty-six thousand, five hundred thirty-three".